19496 Robinair 96" High Side System Hose R12. Enviro-Guard Hoses for Automotive R-12. Enviro-Guard Hoses are constructed of special barrier material which prevent virtually any permeation of refrigerant, yet remains flexible. Meet all specifications for low permeation construction. Clearly marked for R-12. 740 psi working pressure, 3700 psi burst pressure.
