35 Series products are manufactured in Polysulfone and certified to NSF-61, NSF-14, CSA B137. 5, ASTM F877, IGC 188-04c and recognized by the Uniform Plumbing Code. Rated 180 F @ 100psi / 75 F @ 250psi Sea Tech's state of the art design allows a simple snap connection to plastic, CPVC, and copper tubing. SeaTech fittings are quickly and easily installed without any special tools, compression sleeves, nuts, adhesives, welding, clamps, or crimps of any kind.