Air Hose Hose Inside Dia 1/2 in Hose Outside Dia 3/4 in Hose Length 20 ft Hose Color Gray Hose Tube Material PVC Hose Cover Material PVC Burst Pressure 1 200 psi Max Working Pressure @ 70 F 300 psi Temp 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 FNPT Hose Fitting A Size 1/2 in