64240 Set of Red/Blue 20’ Enviro-Guard Hoses for Automotive R-134A. Enviro-Guard Hoses for Automotive R-134a. 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-134a. 740 psi working pressure, 3700 psi burst pressure. (If using these on machines that have schrader valves on the hose fittings, be sure to order hose depressors and gaskets.)

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov