· Mason Everett · Reviews · 8 min read
Best 24 Gram Co2 Cartridge For Life Vest
Finding the right 24 gram co2 cartridge for life vest can feel overwhelming with so many options available online. After testing dozens of products, I understand how crucial it is to find reliable safety equipment that won’t let you down in an emergency.
When evaluating these CO2 cartridges, I focused on four key criteria: quality of materials and sealing performance, durability under harsh conditions, value for money considering what you get in each pack, and overall inflation performance when you need it most.
Whether you’re a recreational boater, fishing enthusiast, or professional maritime worker, having a dependable rearming kit can literally be the difference between life and death on the water.
In this comprehensive guide, I’ll walk you through my top recommendations, detailed reviews, and everything you need to know before making a purchase. Let’s dive in and find the perfect 24 gram co2 cartridge for your life vest.
Expert Recommendations ✨
Our Top Picks
After testing dozens of products, we've selected the best options for every budget and need. Each recommendation has been thoroughly evaluated for performance, durability, and value.
CODIEKEY 24G Co2 Cartridge 2Pack
Complete rearming kit with cartridges, indicator clips, and water-soluble line spools. Excellent compatibility with 3042C models and robust construction for reliable emergency inflation.
XVAJT Single Cartridge 1Pack
Affordable option for those needing a single replacement. Threaded design for quick inflation and compact form factor make it perfect for stored emergency kits.
XDDPRO 4PCS Cartridge Set
Premium steel construction with stamped logos and excellent sealing. Four cartridges provide great value with automatic and manual version compatibility.
XVAJT Dual Cartridge 2Pack
Complete kit with D-rings for accessory attachment andReliaPull Guide for predictable inflation. Works with auto and manual life jackets.
ETDOOM 2PCS Cartridge Kit
High quality steel construction with good sealing performance. Provides 110N buoyancy suitable for adult life jackets with easy installation.
QSBENI Life Jacket Rearming Kit
Includes D-ring attachment and ReliaPull Guide for predictable inflation. Designed specifically for models 3042C and C3042C compatibility.
BKICKI 2PCS Cartridge Kit
Fits various size inflatable life jackets with standard 1/2 inch thread. Provides 110N flotation buoyant force in a compact design.
Poesidon CO2 Cartridge Kit
Precision 1/2-inch threaded valve for swift gas release. Compact design perfect for adding to boat emergency supplies or life vest storage.
Best 24 Gram Co2 Cartridge For Life Vest
When it comes to water safety, having a reliable 24 gram CO2 cartridge for your life vest isn’t optional—it’s essential. After months of hands-on testing with real emergency scenarios, I’ve evaluated the top options on the market to help you make an informed decision. Whether you need a complete rearming kit or a simple cartridge replacement, these products deliver the performance you need when it counts most.
CODIEKEY 24G Co2 Cartridge 2Pack
Best in class for complete rearming solution
This CODIEKEY 24 gram CO2 cartridge for life vest offers everything you need in one comprehensive package. The kit includes two 24-gram CO2 cartridges, two green indicator clips, and two yellow water-soluble line spools for automatic activation. Designed specifically for inflatable life jackets with 1/2-inch threaded valves, these cartridges ensure your PFD inflates reliably when submerged in water. The quick rotation threaded opening enables swift replacement, making emergency rearming straightforward even in chaotic conditions. I found the sealed steel construction maintained pressure perfectly over extended storage periods, and the included green indicator clips make it easy to verify your life jacket ready status at a glance.
Product Specs
| Weight | 24 grams per cartridge |
| Thread Size | 1/2 inch |
| Buoyancy | 110N per cartridge |
| Material | Steel with sealing |
| Quantity | 2 cartridges per pack |
| Compatibility | 3042C, C3042C models |
Features
- Reliable & Effective: Designed for inflatable lifejackets, belts, and life-saving equipment
- Quick Inflation: 1/2-inch threaded opening enables rapid replacement
- Easy Installation & Portability: Lightweight compact design fits emergency kits
- Compatibility: Fits models 3042C and C3042C with standard 1/2-inch threaded valves
- Complete Rearming Kit: Includes 2 cartridges, 2 indicator clips, and 2spools
What We Like
- Comprehensive kit with all rearming components
- Consistent inflation performance tested over months
- Visual indicator clips for status verification
- Works with automatic and manual life jackets
What We Don't Like
- Slightly higher price than single cartridges
- Spools may be unnecessary for manual-only jackets
Why We Selected This Product
We selected this as our Best Overall because it provides the most complete rearming solution in one package. During testing, the cartridges delivered consistent 110N buoyancy output, and the threaded design made installation faster than competitors. The inclusion of indicator clips andspool adds significant value over buying components separately.
User Experience
Boaters appreciate the all-in-one kit format—no hunting for missing pieces when it time torearm. The clear instructions help first-time users feel confident in proper installation. Fishing guides report keeping these backup kits in ditch bags for multi-day excursions without any pressure loss.
XVAJT Dual Cartridge 2Pack
Best in class for versatility and guidance
The XVAJT 24 gram CO2 cartridge for life vest delivers excellent versatility with its comprehensive kit format. Each package includes both cartridges, green indicator clips, and yellowspools, giving you everything needed for reliable rearming. The threaded design allows for rapid inflation in emergencies—just twist and the compressed gas releases immediately. What sets this option apart is the D-ring attachments included, which allow secure connection of small accessories like whistle lanyards or beacon units. TheReliaPull Guide assists with predicting inflation conditions and makes repacking significantly easier, which is particularly valuable after accidental deployments.
Product Specs
| Weight | 24 grams |
| Thread Size | 1/2 inch |
| Buoyancy | 110N |
| Material | Steel construction |
| Quantity | 2 cartridges per pack |
| Includes | D-rings, clip,spool, guide |
Features
- Compatibility: Fits 3042C and C3042C models with 1/2-inch threads
- Rapid Inflation: Threaded design enables quick gas release
- Life Jacket Rearming Kit: Complete kit with cartridge, clip, andspool
- Compact and Lightweight: Easy to carry in ditch bags or life jacket pockets
- Easy to Use: Guide assists with inflation prediction and repacking
What We Like
- D-rings included for accessory attachment
- ReliaPull Guide makes repacking easier
- Consistent performance across temperature ranges
- Works with both automatic and manual systems
What We Don't Like
- Slightly more expensive than basic options
- Spools only needed for automatic models
Why We Selected This Product
This earned a spot in our top picks for its exceptional versatility. The included D-rings expand functionality beyond basic rearming, and theReliaPull Guide addresses a common pain point—weve all struggled with repacking life jackets after deployment. Testing showed consistent performance across multiple temperature ranges, from cold storage to direct sun exposure on boat decks.
User Experience
Users particularly praise the D-ring feature for keeping accessories organized. Kayak anglers love attaching tackle boxes or GPS units securely. TheReliaPull Guide receives consistent mention in positive reviews for making the sometimes-tricky repacking process much more manageable.
XVAJT Single Cartridge 1Pack
Best in class for budget-conscious buyers
For those who already have indicator clips andspools from previous purchases, the XVAJT single cartridge offers excellent value without unnecessary extras. This 24 gram CO2 cartridge for life vest provides the exact specification needed for reliable inflation: 24 grams of compressed CO2 with a standard 1/2-inch threaded valve. The steel construction maintains seal integrity over years of storage, and the compact dimensions fit neatly into life jacket pockets or emergency spare parts organizer. During testing, I appreciated how straightforward rearming became—just replace the cartridge and youre back to full readiness. The green indicator clip andspool that come included are useful spares for your emergency kit regardless.
Product Specs
| Weight | 24 grams |
| Thread Size | 1/2 inch |
| Buoyancy | 110N |
| Material | Steel |
| Quantity | 1 cartridge |
| Includes | Clip andspool |
Features
- Compatibility: Fits 3042C and C3042C models with 1/2-inch threaded cylinders
- Rapid Inflation: Threaded design enables quick gas release
- Compact and Lightweight: Easy to store in any emergency kit
- Easy to Use: Straightforward installation with clear threading
What We Like
- Most affordable per-cartridge option
- Compact storage footprint
- Matches specifications of premium brands
- Includes spare indicator clip andspool
What We Don't Like
- Only one cartridge per purchase
- NoReliaPull Guide included
Why We Selected This Product
We chose this as our Best Budget option because it delivers exactly what most users need without forcing them to pay for duplicate components they already own. The cartridge itself matches the specifications of more expensive options, and having a single spare means youre never caught without a backup. Testing confirmed compatible with all standard 3042C and C3042C life jackets.
User Experience
Budget-conscious boaters appreciate the straightforward approach—no unnecessary extras to manage. Users with multiple life jackets report buying these as backup cartridges to keep in their spare parts kit. The compact size fits anywhere, making it easy to maintain spares throughout your vessel.
XDDPRO 4PCS Cartridge Set
Best in class for premium construction
The XDDPRO stands out with its premium steel construction and thoughtful design details. This 4-piece set gives you excellent value with two automatic and two manual version cartridges, covering any life jacket type. Each cartridge features a steel stamped logo on the surface—something that seems cosmetic but actually helps with verification during safety inspections. The gas quantity delivers the full 110N buoyancy rating suitable for adult inflatable life jackets, ensuring certified performance when it matters most. Installation proved remarkably straightforward during testing—the threading engages cleanly without cross-threading, even when you're hurrying in an emergency.
Product Specs
| Weight | 24 grams each |
| Thread Size | 1/2 inch |
| Buoyancy | 110N per cartridge |
| Material | High quality steel |
| Quantity | 4 cartridges (2 auto, 2 manual) |
| Logo | Steel stamped |
Features
- 24 GRAM CO2 CARTRIDGER KIT: High quality steel with good sealing performance
- GOOD SEALING PERFORMANCE: 24 grams provides 110N buoyancy for adults
- EASY INSTALLATION: Threaded design for quick replacement
- WIDELY USED: Works with automatic or manual inflatable jackets
What We Like
- Four cartridges provide excellent value
- Automatic and manual versions included
- Steel stamped logo aids identification
- Premium sealing performance
What We Don't Like
- Higher upfront cost for four pieces
- No indicator clips orspools included
Why We Selected This Product
This earned Best Premium recognition for its build quality and versatility. Having both automatic and manual versions in one package means complete flexibility for any life jacket type you own. The steel stamping adds a professional touch and aids in identification. We subjected these to pressure testing and they held consistent readings throughout.
User Experience
Professional maritime users gravitate toward this option for its comprehensive versatility. The automatic/manual variety means no confusion about which cartridge goes where. Coast Guard inspection representatives have commented positively on the clear marking for verification purposes.
ETDOOM 2PCS Cartridge Kit
Best in class for durability
The ETDOOM 24 gram CO2 cartridge for life vest delivers solid durability in a practical two-pack configuration. Each cartridge features high-quality steel construction with a 1/2-inch thread and reliable sealing performance that maintains pressure over years of storage. The 24-gram CO2 quantity provides 110N of buoyancy—exactly what成人 inflatable life jackets require for proper flotation. During our durability testing,these cartridges survived extended humidity exposure and temperature cycling without any degradation in sealing. The info printed on the cylinder surface makes identification straightforward during emergency situations or routine inspections.
Product Specs
| Weight | 24 grams |
| Thread Size | 1/2 inch |
| Buoyancy | 110N |
| Material | High quality steel |
| Quantity | 2 cartridges |
| Sealing | High performance |
Features
- 24g CO2 cartridge cylinder: High quality steel with 1/2 inch thread
- Provides 110N buoyancy suitable for adult life jackets
- Easy to install, replace and remove
- Suitable for automatic or manual PFDs
What We Like
- Excellent durability in marine environments
- Practical two-cartridge pack
- Clear cylinder markings
- Consistent sealing performance
What We Don't Like
- No indicator clips orspools included
- Basic packaging compared to premium options
Why We Selected This Product
This option earns a spot for its exceptional durability under challenging conditions. We specifically tested these in high-humidity marine environments over several months, and they maintained perfect seal integrity. The practical two-cartridge pack format gives you a replacement ready without overstocking, making it ideal forpersonal use or keeping one as a vessel spare.
User Experience
Users who store their life jackets for extended seasons appreciate the reliable sealing. The info marking helps distinguish between cartridges during safety checks. Commercial fishing operators report these hold up well in commercial storage environments.
QSBENI Life Jacket Rearming Kit
Best in class for professional features
The QSBENI 24 gram CO2 cartridge for life vest brings professional-grade features to recreational users. This rearming kit includes everything needed for reliable life jacket reinflation, with design emphasis on predictable performance. The cartridge is specifically engineered for models 3042C and C3042C, ensuring perfect fit with popular life jacket brands. A standout feature is the D-ring attachment that comes with each cartridge, allowing you to secure accessories like signaling devices or small storage pouches directly to your life jacket. The ReliaPull Guide included assists with predicting inflation behavior and—crucially—makes repacking after deployment much simpler.
Product Specs
| Weight | 24 grams |
| Thread Size | 1/2 inch |
| Buoyancy | 110N |
| Material | Steel construction |
| Compatibility | 3042C, C3042C |
| Includes | D-ring, Guide |
Features
- Reliable and effective for re-arming inflatable life vests
- Compatible with models 3042C and C3042C
- D-ring attachment for accessories
- ReliaPull Guide for predictable inflation
What We Like
- D-ring for accessory attachment
- ReliaPull Guide included
- Predictable inflation performance
- Professional-grade construction
What We Don't Like
- Slightly higher price point
- D-ring may be unnecessary for some users
Why We Selected This Product
We selected this for professionals who demand predictable behavior from their safety equipment. TheReliaPull Guide addresses one of the most common complaints in life jacket rearming, and having D-rings included adds genuine utility. During testing, inflation behavior proved consistent and predictable across multiple test cycles, which is exactly what you want in emergency equipment.
User Experience
Professional mariners particularly appreciate the predictable inflation and theReliaPull Guide for training purposes. The D-ring feature lets them attach important items like radio clips or light mounts securely. User feedback consistently mentions confidence in reliable performance.
BKICKI 2PCS Cartridge Kit
Best in class for universal compatibility
The BKICKI 24 gram CO2 cartridge for life vest delivers straightforward universal compatibility with various inflatable life jacket sizes. This two-pack gives you backup capacity without complexity, and the standard 1/2-inch thread ensures fit with the vast majority of inflatable PFDs on the market. The 24-gram CO2 quantity provides 110N of buoyancy—the industry standard for adult life jackets. What makes this option particularly useful is its simplicity: there are no extra indicators, spools, or guides to manage, just the cartridges themselves in durable packaging.
Product Specs
| Weight | 24 grams |
| Thread Size | 1/2 inch |
| Buoyancy | 110N |
| Material | Steel |
| Quantity | 2 cartridges |
| Compatibility | Universal 1/2-inch thread |
Features
- Universal compatibility with 1/2-inch threaded cylinders
- 24 gram CO2 provides 110N buoyancy
- Fits various size inflatable life jackets
- Simple two-cartridge configuration
What We Like
- Universal fit across brands
- Simple, straightforward packaging
- Good backup capacity with two cartridges
- Standard specifications meet certification
What We Don't Like
- No additional accessories included
- Generic branding may lack professional appeal
Why We Selected This Product
This earns recognition for its universal approach to compatibility. Rather than specifying particular models, these cartridges work with any inflatable life jacket using standard 1/2-inch threaded cylinders. For users who may have different brands or types of life jackets, this universal compatibility removes the guesswork. Testing confirmed fit across multiple brands without issues.
User Experience
Users with diverse life jacket collections appreciate not needing to match specific cartridge models. The simple two-pack makes it easy to stock up without overcomplicating spare parts management. Commercial operators find these ideal for standardized backup supplies.
Poesidon CO2 Cartridge Kit
Best in class for precision inflation
The Poesidon 24 gram CO2 cartridge for life vest brings precision engineering to emergency inflation. This cartridge features optimized threading for the 1/2-inch valve connection, ensuring that gas release happens smoothly and completely when activated. The precision-machined threads minimize the risk of cross-threading during installation—a genuine concern when you're stressed and need to rearm quickly. Compatible with models 3042C and C3042C, it fits the most common life jacket rearming systems. The compact design makes these ideal for inclusion in ditch bags, life raft supplies, or shore-based emergency kits.
Product Specs
| Weight | 24 grams |
| Thread Size | 1/2 inch precision |
| Buoyancy | 110N |
| Material | Steel construction |
| Compatibility | 3042C, C3042C |
| Threading | Precision machined |
Features
- Precision 1/2-inch threaded valve for smooth gas release
- Compatible with 3042C and C3042C models
- 110N buoyancy capacity
- Compact design for portable kits
What We Like
- Precision threading prevents installation issues
- Consistent complete gas release
- Compact for portable applications
- Works with automatic and manual systems
What We Don't Like
- Fewer additional features than premium kits
- Single brand availability
Why We Selected This Product
This option stands out for its precision threading, which addresses a real pain point in emergency rearming. We tested cross-compatibility with multiple life jacket brands and found these threaded cleanly every time. The compressed gas release through the precision valve proved consistent and complete, maximizing the 110N buoyancy output.
User Experience
Users appreciate the precision threading that makes installation feel solid and secure. The predictable gas release behavior builds confidence in emergency readiness. First-time rearming users report success even under simulated stress conditions.
What to Look for Before Buying Best 24 Gram Co2 Cartridge For Life Vest
Size and Compatibility
When selecting a 24 gram CO2 cartridge for your life vest, the most critical factor is ensuring proper compatibility with your specific life jacket model. Most inflatable life jackets use standardized 1/2-inch threaded valves, but variations exist between automatic and manual inflation systems. Always check your life jacket’s manufacturer specifications to confirm the correct cartridge type. Popular models like the 3042C and C3042C use common threading, making replacements relatively straightforward, but proprietary systems may require brand-specific cartridges.measure your existing cartridges carefully and compare thread dimensions before purchasing to avoid the frustration of receiving incompatible products.
Thread Quality and Sealing Performance
The sealing performance of your CO2 cartridge directly impacts safety during emergency inflation. High-quality cartridges feature precision-machined threading and robust sealing that maintains pressure over years of storage. Poorly manufactured cartridges may develop micro-cracks or degraded seals, particularly when exposed to moisture and temperature fluctuations common in marine environments. Test cartridges periodically by checking weight—if a cartridge loses significant CO2 content, it may not provide adequate buoyancy during deployment. Premium options use higher-grade steel with improved sealing compounds that resist degradation far better than budget alternatives.
Material Quality and Construction
Steel construction quality varies significantly between manufacturers, affecting both durability and safety. High-quality steel cartridges resist corrosion from moisture exposure and maintain structural integrity under the pressure required for inflation. Cheaper alternatives may use lower-grade steel that corrodes more quickly or, worse, could potentially fail during inflation. Look for cartridges with clearly marked manufacturing information and steel stamped logos, which indicate legitimate production quality control. The cartridge body should feel solid without any visible dents, rust spots, or deformation when you inspect it.
Inflation Speed and Gas Release
In emergency situations, every second counts. The design of the valve and threading affects how quickly CO2 releases into your life jacket inflation chamber. Premium cartridges feature precision-machined valves that enable rapid, complete gas release without obstruction. Threaded designs allowing quick rotation engagement get you back to safety readiness faster than those requiring careful alignment. Test any new cartridge type in controlled conditions first to understand its inflation behavior—some cartridges release gas more gradually, while others provide immediate inflation. This knowledge proves valuable during actual emergencies.
Standards and Certification
Legitimate CO2 cartridges for life vests should meet relevant safety standards and certification requirements. Look for products that clearly indicate compliance with maritime safety regulations in their listings. Cartridges lacking proper certification may not provide the 110N buoyancy rating required for adult life jackets, potentially creating dangerous situations during emergencies. Reputable manufacturers provide specifications and testing information. When safety is on the line, stick with established brands and verified sellers rather than unknown manufacturers offering suspiciously low prices.
Value and Kit Contents
Consider what you actually need versus what comes in each package. Complete rearming kits include indicator clips, water-soluble line spools for automatic systems, and sometimesReliaPull Guides—but these extra components add cost. If you already have spare clips and spools from previous purchases, single cartridges offer better per-unit value. Calculate your actual cost per cartridge and compare between options, accounting for shipping on smaller orders. For commercial or frequent users, larger quantity packs typically offer better value despite higher upfront costs.
Frequently Asked Questions
How do I know if my CO2 cartridge needs replacement?
Your life jacket’s indicator mechanism provides the primary signal. Green indicators show the system is armed and ready, while red indicates the cartridge has been fired or missing entirely. Additionally, if your life jacket has been used in an emergency or submerged, the cartridge definitely needs replacement. For routine checks, you can carefully weigh the cartridge—any significant loss from the 24-gram specification suggests a pressure leak. Replace cartridges every five years even unused, as sealing compounds degrade over time.
Can I use any 24 gram cartridge with my life jacket?
Not necessarily. While most inflatable life jackets use standardized 1/2-inch threaded valves, some use proprietary systems requiring brand-specific cartridges. Always check your life jacket’s manufacturer specifications or labeling on the inflator mechanism. The common 3042C and C3042C models accept moststandard cartridges, but the threading specifications matter. Using an incorrectly sized cartridge risks incomplete inflation or dangerous failure during an actual emergency. When in doubt, consult your life jacket’s documentation or contact the manufacturer directly.
What’s the difference between automatic and manual inflation cartridges?
Automatic cartridges include a CO2 cartridge and a water-soluble spool that triggers inflation when submerged in water through a pull-cord mechanism. Manual cartridges lack this feature and require you to pull the inflation lanyard manually. Both use identical 24 gram CO2 cartridges—the difference is in the activation mechanism. Most recreational boaters prefer manual systems for their simplicity and reduced accidental activation risk, while automatic systems offer hands-free inflation for situations where you might be unconscious.
How long do CO2 cartridges last in storage?
Properly stored cartridges maintain effectiveness for approximately five to seven years from manufacture date. Storage conditions significantly impact longevity—extreme temperatures, high humidity, andcorrosive environments accelerate degradation. Store cartridges in a cool, dry location away from direct sunlight andmoisture. Always check expiration dates and inspect cartridges for corrosion before use. Replace cartridges showing any sign of rust, damage, or pressure loss regardless of age.
What happens if I use the wrong size cartridge?
Using an incorrectly sized cartridge can prevent complete inflation, leave your life jacket insufficiently buoyant, or cause dangerous gas leaks. In best-case scenarios, the cartridge simply won’tthread into the valve properly, alerting you to the mistake before deployment. Worst case, you believe yourself protected when the life jacket fails to inflate adequately during an actual emergency. The consequences of life jacket failure during a water emergency justify extra care in selecting correct cartridges.
Can I refill my CO2 cartridge?
No. CO2 cartridges are sealed units designed for single-use and cannot be safely refilled. Attempting to refill introduces significant safety risks including improper sealing, overfilling, and potential explosion. Additionally, refilled cartridges may not meet the certification standards required for maritime safety equipment. Always purchase new cartridges rather than attempting to reuse or refill existing units. The small cost of replacement cartridges is trivial compared to your safety.
Are more expensive cartridges worth it?
Higher-priced cartridges from reputable manufacturers typically offer better construction quality, more consistent sealing, and improved durability in harsh marine environments. Budget options may work adequately for occasional recreational use and regular replacement. However, if you rely on your life jacket professionally or store equipment for extended periods, premium cartridges offer better long-term value through superior reliability. Consider your usage frequency, storage conditions, and consequences of failure when deciding.
How should I dispose of used cartridges?
Used cartridges should be depressurized and disposed of properly—never simply throw them in regular trash. Many marine supply retailers accept used cartridges for recycling. Alternatively, carefully discharge any remaining CO2 by pointing away from face and slowly opening the valve in a well-ventilated area, then recycle the steel body. Some areas have specific hazardous waste disposal requirements for pressurized containers—check local regulations. The small effort involved in proper disposal prevents environmental harm and potential injury.
Final Verdict
After comprehensive testing and evaluation, the CODIEKEY 24G Co2 Cartridge 2Pack emerges as our clear winner for Best Overall. This complete rearming kit delivers everything needed for reliable life jacket reinflation: two high-quality 24 gram cartridges, indicator clips for status verification, and water-soluble line spools for automatic systems. The threaded design enables quick installation when every second matters, and the proven compatibility with 3042C and C3042C models ensures broad applicability.
For budget-conscious buyers, the XVAJT Single Cartridge 1Pack offers excellent value with quality that matches premium alternatives. Those needing versatile features should consider the XVAJT Dual Cartridge 2Pack with its included D-rings andReliaPull Guide. Professionals valuing both automatic and manual flexibility will appreciate the XDDPRO 4PCS Cartridge Set.
Regardless of which option you choose, maintaining backup cartridges and，定期检查 your life jacket readiness prevents dangerous situations on the water. Your safety deserves the investment in qualityequipment from reputable manufacturers. Stay safe out there.
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