John Guest Super Speedfit Polypropylene Tube Fittings
(PP) White Polypropylene range of inch-size push-in fittings are offered for tube sizes 1/4" and 3/8" O.D. The fittings are manufactured in white polypropylene with food-grade EPDM “O” rings. They have been developed to satisfy the compatibility needs for a wide range of applications. NSF 51/61. Maximum working pressure of 150 psi @ 70°F. Maximum working pressure of 60 psi @ 140°F Minimum operating temperature of 33°F. NOT suitable for compressed air applications.