Tubing Application Air Fuels Water Color Black Hardness Shore A 70 Inside Diameter 1/4 in Material FKM Material Trade Name Viton Maximum Operating Pressure 290 psi Maximum Operating Temperature 400 Degrees F Outside Diameter 1/2 in Overall Length 50 ft PEX Type Not Applicable Resistance Properties Chemical Resistant High Temperature Resistant Reinforcement Aramid Braid Reinforced Wall Thickness 0.13 in