Twin Line Welding Hose Hose Inside Dia 1/4 in Hose Outside Dia 1/2 in Hose Length 12 1/2 ft Hose Color Green Red Hose Tube Material EPDM Hose Cover Material EPDM Hose Reinforcement Type Spiral Hose Reinforcement Material Fiber Burst Pressure 800 psi Max Working Pressure @ 70 F 200 psi Temp Range -40 Degrees to 120 Degrees F Standards ARPM IP-7 Safety Factor 4 1 Hose Configuration Coupled Assembly Hose Grade R Hose Fitting A Material Brass Hose Fitting B Material Brass