zjchao Spare Scuba Air Tank,Diving Mini Scuba Cylinder Oxygen Tank 0.5L Oxygen Underwater Mini Cylinder Breathing Bottle Diving Equipment

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About Zjchao Spare Scuba Air Tank,Diving Mini Scuba

Features: Oxygen Cylinder: Adopt aviation aluminum, standard portable oxygen tank parameters manufacturing, and meet the manufacturing standards of diving equipment. Hold down the top to relieve pressure inside the bottle. With a pressure gauge, showing how much air there is. Silicone mouth pieces, safe and fit mouth shape, adopt ergonomic design. With the oxygen cylinder, you can breathe about 57 mouths of air on the surface and about 21 times for up to 10 minutes underwater. Scuba Tank Refill Adapter: Made of high quality aluminium alloy, anti-rust and durable. Used to fill small oxygen cylinder with oxygen from the large scuba. Simple to operate, making diving become easy, no need to carry large scuba. Small size and lightweight, easy to carry and use. Portable and practical, essential accessory for diving. Specification: Material: Aviation Aluminum + Silicone + Aluminium Alloy Color: Shown as pictures Oxygen Cylinder Capacity: 0.5L Oxygen Cylinder Gas Capacity: 3.0 CU FT/85 LITERS Oxygen Cylinder Maximum Pressure: 3000 PSI/200 BAR/20MPA Oxygen Cylinder Size: 6 * 35.2 * 13cm / 2.36 * 13.86 * 5.12in Adapter Size: Approx. 13.5 * 6.2 * 2cm / 5.31 * 2.44 * 0.79in Weight: Approx. 1350g Package List: 1 * Portable Oxygen Cylinder  1 * Scuba Tank Refill Adapter 1 * Manual