Scuba Refill Station for Filling Air Tanks from a Scuba Cylinder 10" Stainless Steel Braided Hose 4500psi NEW 10 Inch Stainless Steel Braided Hose Compatible with Standard Scuba K-Valve, J-Valve and H-Valve . SCUBA Fill Station let's you safely refill your HPA tanks up to 4500 psi from a common SCUBA tank. Fill compressed air or nitrogen paintball tanks with this scuba fill station