Oxygen to Air cylinder valve outlet conversion adapter: – O2 IS:3224 Outlet No. 3 / UK Bullnose male – DIN 200/300 Bar female – Fits in Oxygen Cylinder O2 valve outlet to connect Air (DIN 200/300 Bar PCP | Scuba diving) filling adapters. – To use Oxygen Cylinder (B & D-Type) for Air PCP Shooting. – G5/8 RH threads.






