... migration which contaminates expensive refrigerants3 Rubber layer for permeation, braid for strength, and outer cover for protection1 Double barrier protectionMoisture barrier provides ... 60'', 72'', 96'', 10', 12', 25', 50', 75', 100')Remark1 For standard charging hose, W.P./B.P.: 600psi-3000psi is ... available2 For 3/8'', 1/2'', 5/8'' charging hose, W.P./ ...