Check the listing for details. Silicone Heater Coolant Hose 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1" 1¼" 1½" 2" 2½" 3". Color: Blue, Condition: New. Listed at 9.00 USD. Blue Silicone Heater Radiator Coolant HoseMeeting the standard SAE J20R3 Class A, TMC RP303BISO 1307 - 1997 Temperature range: -65F (-54C) to 350F (178C) Wall thickness 3/16" (5mm) Internal diameter (I.D.):1/4", 3/8", 1/2", 5/8", 3/4", 1", 1¼", 1½" - 2 play2", 2½", 2¾" 3" - 4 play Maximum pressure:1/4", 3/8", 1/2", 5/8", 3/4" - 200 PSI1", 1¼", 1 1/2" - 120 PSI2", 2½", 2¾", 3" - 100 PSIBurst pressure: 300PSI We do not accept the return of cut-to-length hoses ordered by the buyer.Make sure you order the correct diameter and length hose. Warranty one year.Blue Silicone Heater Radiator Coolant HoseMeeting the standard SAE J20R3 Class A, TMC RP303BISO 1307 - 1997 Temperature range: -65F (-54C) to 350F (178C) Wall thickness 3/16" (5mm) Internal diameter (I.D.):1/4", 3/8", 1/2", 5/8", 3/4", 1", 1¼", 1½" - 2 play2", 2½", 2¾" 3" - 4 play Maximum pressure:1/4", 3/8", 1/2", 5/8", 3/4" - 200 PSI1", 1¼", 1 1/2" - 120 PSI2", 2½", 2¾", 3" - 100 PSIBurst pressure: 300PSI We do not accept the return of cut-to-length hoses ordered by the buyer.Make sure you order the correct diameter and length hose. Warranty one year.