The E-Z Form(TM) hose will bend and curve just right for all uses. It can withstand temperature ranges of -40 Degrees C - 125 Degrees C and has a strength and high temperature rating. Its PSI is 75. The hose is made from EPDM with the reinforcement provided by three-ply textile plies and a wire helix. This hose is good for air-, coolant-, mild chemicals-, water-, coolant systems-, drain lines-, and vacuum-services. The hose is 2 9/16 inches. The hose is SAE J20R2-D1-approved.