Heater Hose, Hose Inside Dia. 3/4 in, Hose Outside Dia. 1 1/4 in, Hose Length 25 ft, Hose Tube Material Silicone, Hose Cover Material Silicone, Hose Reinforcement Type Braid, Hose Reinforcement Material Polyester, Hose Color Blue, Max. Working Pressure @ 70 F 66 psi, Temp. Range -65 Degrees to 350 Degrees F, Standards SAE J20 R3, Hose Configuration Bulk Hose