Russell 632210 ProFlex -12AN Stainless Steel Braided Hose - 6 Feet Maximum pressure rating of 750 PSI with -12 AN fitting size Actual inner diameter measures 11/16", nominal diameter of 3/4" and outer diameter of 29/32" Designed for use with fuel, oil, water lines and heater hoses Temperature range of -40 degrees F to +350 degrees F for a wider variety of uses and routing Use with Full Flow, Full Flow Swivel and Tube Seal hose ends