Stainless Steel 316L Push-to-Connect Manifold Union, 3/8" Outer Diameter, featuring robust Stainless Steel 316L construction, compatible with Air, Water, and Steam, operating at 0 to 215 PSI, and functioning within a temperature range of -4°F to 284°F (-20°C to 140°C). Equipped with FKM (Viton) seals, Stainless Steel back ring, lock claws, collar, and sleeve.