Tank volume: 7 cu.ft./ 7 liter Tank material: Aviation aluminum Tank size:40*8*8 cm Color: green, blue, black, custom Usage scenario: backup air for deep diving, diving, snorkeling, fire protection, call fall into river self-rescue, training, clean boat bottom etc. Logo: customizable Breathing time:10-15 minutes Limited depth: 10m/ 32 feet Product information: 1* 7 cu.ft./ 1 liter tank, 1* pressure releasing head, 1* breathing valve Certification: DOT, CE, ISO
