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Spare Air Bottle only by Spare Air

Small, hands-free, virtually neutrally buoyant

3.0 cubic ft of air

Refillable to 3000 psi off any SCUBA tank or air compressor with replenish adapter (not included)

Easily attaches to your BC with holster and safety leash (not included)

Built-in drive indicator.

Small, hands-free, just about neutrally buoyant.3.0 cubic ft of air.Refillable to 3000 psi off any SCUBA tank or air compressor with refill adapter (not included).Easily attaches to your BC with holster and safety leash (not included).Built-in pressure indicator.. Tested and authorized, Spare Air is a very self-contained (3.0 cu. ft. of air), replenishable backup air gadget that is small and straightforward to use.. ... Read more Spare Air Bottle only