3/4 in, Hose Outside Dia. Working Pressure @ 70 F 250 psi, Temp.Air Hose, Hose Inside Dia. 3/4" x 10 ft PVC Coupled Multipurpose Air Hose 250 psi BL Range -10 Degrees to 158 Degrees F, Hose Reinforcement Type Spiral, Hose Reinforcement Material Polyethylene, Safety Factor 4:1, Hose Fitting A Material Brass, Hose Fitting B Material Brass, Hose Fitting A Type FNPT, Hose Fitting B Type MNPT, Hose Fitting A Size 3/4 in.