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Selecting the right diving tank is crucial for a safe and enjoyable underwater experience. The tank is your lifeline, providing the air you need to explore the depths. Understanding the key features and considerations will help you choose a tank that meets your specific diving needs and ensures peace of mind.
Diving cylinder capacity: 11.1 liters/80 cubic feet/677 cubic inches, equipped with cylinder sleeve and G3/4 diving valve.
Weight: 13.6 kg, Height with valve: 28.89 inches, Diameter: 7.5 inches, Working pressure: 3000 Psi, Thread size: G3/4
DOT/CE certified, inspection cycle: 5 years, service life: 20 years. This cylinder is shipped empty and can be filled directly. We sell matching equipment to make your diving more convenient.
The aluminum cylinder is made of high-quality 6061 aviation aluminum alloy, which is pressure-resistant, corrosion-resistant, and more robust.
NEWEST UPGRADED S700 DESIGN：Extended Pressure Gauge & Hands-Free Vest System | Monitor Air Supply Underwater & Secure Tank via Adjustable Vest | Effortless 1.9L Mini Scuba Tank Control for Diving/Snorkeling/Rescue
APPROXIMATELY 115 BREATHS & AVIATION-FRIENDLY：Portable Scuba Tank with 1.9L Capacity: The scuba tank measures 16.9 x 4.49 inches, weighs only 7.98 pounds, and allows for approximately 115 breaths at 200 bar pressure (tested at a depth of...
SMART REFILL SOLUTIONS: 1、DOT-Certified Tank Refill at Dive Shops 2、8mm Adapter: 16s Fast Fill from Standard Tanks 3、 Dedicated Compressor: 45 min Hassle-Free Home Refill (Manual HP Pumps Not Supported)
MULTI-SCENARIO LUNG TANK SYSTEM：Ultimate Underwater Breathing Device for Boat Cleaning/Pool Inspection/Lobstering | Backup Air Source for Emergency Rescue & Recreational Diving
DOT CERTIFIED FOR SAFETY – The GOYOJO diving tank meets US DOT standards, ensuring safe air storage, legal transport, and reliable performance. Built to strict safety requirements, it gives you confidence every time you dive.
3000 PSI MAX PRESSURE – This GOYOJO mini scuba tank delivers about 9 minutes of underwater breathing time, depending on depth, breathing rate, and conditions. Ideal for short recreational dives or as a reliable emergency air source.
ULTRA-PORTABLE DESIGN – 1L capacity air tank designed for portability, perfect for travel, snorkeling, or emergency backup air supply without bulkiness.
DURABLE CONSTRUCTION – High-grade aluminum alloy resists corrosion and withstands harsh conditions, offering long-lasting durability for repeated use.
Long-Time Diving: Our 1.9 L large-capacity mini scuba tank delivers 30-35 minutes of underwater breathing time at depths up to 32.8 ft / 10 m. It can meet the needs for extended underwater exploration, light-duty operations, or emergency standby
Reinforced Tank: Made from aviation-grade aluminum for high strength and corrosion resistance, this scuba diving tank withstands 20 MPa
Smoother Breathing: Equipped with a precision-integrated pressure regulator and upgraded breathing valve core, this diving tank ensures stable and smooth air flow output. Its external explosion-proof disc provides additional overpressure protection
Two Refilling Methods: Our scuba tank can be refilled by connecting to a large scuba tank via a dedicated adapter or using a compatible air compressor (refilling equipment not included in this set)
ALL-IN-ONE MINI SCUBA TANK KIT: THIS IS AN EMPTY TANK ONLY, NO GAS OR CHEMICALS ARE INCLUDED.This scuba tank set includes everything you need for shallow-water breathing. It delivers 5 minutes of air at up to 16 ft / 5 m, perfect for snorkeling, reef...
180° FULL-FACE MASK WITH DUAL BREATHING MODES:Enjoy a fog-resistant, leak-proof panoramic view underwater. The top camera mount lets you capture hands-free photos and videos. Use it as a regular snorkel on the surface, or connect to the tank for shallow...
VERSATILE FOR SNORKELING AND TRAINING:Ideal for beach snorkeling, shallow reef exploration, pool diving practice, and underwater photography. It also serves as a reliable pony bottle for emergency backup in shallow water, making it great for casual divers...
DURABLE AVIATION-GRADE ALUMINUM TANK: Built to last with high-strength aviation aluminum and rated to 20 MPa. The upgraded breathing valve and explosion-proof disc ensure smooth airflow and safe use. For fast refills, use a scuba tank adapter or air...
Ultralight Carbon Fiber Construction & High-Pressure Capacity: Engineered with advanced carbon fiber composite technology, this tank is significantly lighter than traditional steel cylinders for easier transport. With a 4500 PSI (310 Bar) working pressure...
Superior Portability & Ergonomic Design: The lightweight composite structure ensures outstanding portability, even when filled. Its streamlined profile is easy to handle and maneuver, reducing fatigue during boat entries, shore dives, or simple transport...
High-Performance Design for Water Sports: Optimized for scuba diving, freediving, snorkeling, and other aquatic activities. The high-pressure, large-volume air supply ensures stable, consistent airflow to your regulator, meeting the demands of various...
Quality Manufacturing & Safety Craftsmanship: Built using a robust process of high-strength carbon fiber overwrap around a liner, achieving an ideal balance of strength and resilience. Each cylinder undergoes rigorous production controls and pressure...
【Clever Combination of Snorkeling and Diving】 When using this diving equipment on the surface, a snorkeling mask can be used for normal snorkeling through a snorkel. Once underwater, the attached 0.5L diving tank will provide air and allow you to...
【Fine and Excellent Quality】The scuba tank is made of 6061 aviation aluminum, and the three-layer process of washing casting, frosting and sandblasting is adopted, which makes it have better corrosion resistance and better resist the erosion of...
【New Design】Remove one of the snorkeling tubes of the snorkeling mask and connect the diving tank with a joint to facilitate the replacement of the spare cylinder at any time. The snorkeling mask uses a flat lens that gives you a wide field of view of...
【Free Combination】The full-face snorkeling mask and diving tank can be used individually or in combination with the situation to experience the latest snorkeling mode. When the valve head of the diving tank is separated from the body of the diving...
Mini Scuba Tank Capacity: The SEBiger diving tank holds 0.5 liters, supporting 200 bar /37 breaths of underwater diving. Actual duration varies based on breathing rate, dive depth, and other factors
Material and Corrosion Resistance: The SEBiger diving tank is constructed from 6061 aerospace-grade aluminum with a triple-layer design, effectively resisting seawater corrosion to ensure equipment durability during dives
Safety Design Features: The cylinder incorporates a 5K pressure relief valve. When internal pressure reaches or exceeds the fixed threshold of 5000 psi, gas escapes through the internal bursting disc to reduce pressure. The bursting disc must be replaced...
Portability and Applications: The SEBiger Mini Diving Kit features a detachable tank body and cylinder, making it easy to carry on board aircraft and travel globally. It serves not only as a backup air source but also supports various shallow-water...
【CHIKADIV Scuba Tank】Chikadiv mini scuba tank has 1L capacity. You can stay up Up to 20 minutes underwater with total freedom. The usage time will be affected by external factors such as temperature, diving depth and breathing rate.
【Better user experience】Chikadiv Lung tank adopted the air switch valve that extends the gas storage time in sealed. The design of constant pressure valve is more in conformity with our breathing rhythm. In addition, explosion-proof valve is safer...
【Various Inflation modes】The 8mm one-way inflation valve of scuba diving tank can connect the refill adapter to fill up. Usually, you can use a bigger bottle to guide vials. Also, you can use the high-pressure hand pump or electronic pump. Using the...
【Quality Guarantee】The whole bottle of scuba tank is made of 6061 aviation aluminum, with 4mm thickness, which is more Anti-oxidation and anti-corrosion. The working pressure is no more than 3000PSI/200bar/20Mpa. The surface with hard oxidation and...
Last update on 2026-10-14 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Diving Tanks
Understanding Tank Materials
Diving tanks are primarily constructed from two materials: aluminum and steel. Aluminum tanks are lighter and more corrosion-resistant, making them a popular choice for recreational divers. Steel tanks, on the other hand, are denser and offer a higher air capacity for their size, appealing to divers who require longer bottom times or are performing more demanding dives. Each material has its own maintenance requirements and buoyancy characteristics.
Tank Capacity and Pressure
Tank capacity is measured in cubic feet (cu ft) or liters, indicating the volume of air it holds. Common sizes range from 80 cu ft to 120 cu ft. Tank pressure, typically rated in pounds per square inch (psi) or bar, determines how much air can be compressed into the tank. Higher pressure tanks store more air, allowing for longer dives. It's important to match tank capacity and pressure to your diving profile and experience level.
Valve Types and Compatibility
The valve is the component that connects your regulator to the tank. The two most common valve types are "K" valves (yoke or INT) and "DIN" valves. K valves are widely used in North America and are compatible with most standard regulators. DIN valves are more common in Europe and are known for their robustness and ability to handle higher pressures. Ensure the valve type on your chosen tank is compatible with your regulator setup.
Tank Care and Maintenance
Proper care extends the life of your diving tank and ensures safety. Always rinse your tank with fresh water after saltwater dives to prevent corrosion. Store tanks upright in a cool, dry place, away from direct sunlight and extreme temperatures. Regular visual inspections for dents, corrosion, or damage are essential, and periodic hydrostatic testing is required by regulations to ensure the tank's structural integrity.
Choosing the Right Tank for You
Consider your typical diving environment, desired dive duration, and personal physical strength when selecting a tank. Recreational divers often find aluminum 80 cu ft tanks sufficient. More experienced divers or those planning longer or deeper dives may prefer a steel tank or a larger aluminum option. Always consult with a certified dive professional if you have questions about selecting the appropriate tank for your certification level and intended use.
Frequently Asked Questions
What is the difference between aluminum and steel diving tanks?
Aluminum tanks are lighter and more resistant to corrosion, making them a good choice for many recreational divers. Steel tanks are denser and offer more air capacity for their size, which is beneficial for longer dives.
How do I know what tank size I need?
Tank size depends on your diving profile and how long you plan to stay underwater. Recreational divers often use standard 80 cubic foot tanks, while those seeking longer bottom times may opt for larger tanks.
What is tank pressure and why is it important?
Tank pressure refers to how much air is compressed into the cylinder. Higher pressure means more air can be stored, allowing for longer dives. Ensure your regulator is compatible with the tank's pressure rating.
What are K valves and DIN valves?
K valves, also known as yoke valves, are common in North America and connect to regulators with a clamp. DIN valves are more prevalent in Europe and screw directly into the regulator, offering a more secure connection, especially at higher pressures.
How often should a diving tank be inspected or tested?
Tanks require regular visual inspections by the owner and certified professionals for any signs of damage or corrosion. Hydrostatic testing, which checks the tank's structural integrity under pressure, is typically required every 5 years.
Can I use a tank with a different pressure rating than my regulator?
It's crucial that your regulator is rated for the pressure of the tank you intend to use. Using a regulator with a lower pressure rating than the tank can be dangerous. Always confirm compatibility before diving.
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