Spare Air SCUBA Tank Refill AdapterThe Spare Air SCUBA Tank Refill Adapter is a Yoke style connector that enables refilling Spare Air from any standard SCUBA tank. This simple refill option lets divers manage air supply directly in the field, increasing readiness and safety between dives. Designed for portability and reliability, the adapter supports filling from a full 3000 psi standard SCUBA tank and can either fill an empty Spare Air or top off air pressure to 3000 psi. Its a