Mastercool 46372 Nylon Barrier Hose Set 72" (one each Red, Yellow, Blue) with automatic shut-off valve fittings (1/4" SAE) for R-22/410a. Auto shut-off fittings automatically retain refrigerant in the service hose when they are removed from the system.
Nylon barrier meets EPA, SAE and UL standards for containment of refrigerant.
