PEXUniverse.com offers PEX plumbing, according to ASTM 5773-98. Destined for the construction and renovation in the gas network. Plumbing system are used as raw material and fuel for industrial and household purpose. Pipes have been certified by the Institute of Electric them. Paton, NSF of Canada, approved by the State Committee for Construction, Architecture and Housing Agency of Seattle. Oversight Committee for the protection of Canada (State Committee) granted permission for mass production of PEX tubing for plumbing. Pipes are available in black with yellow longitudinal lines of PEX PE-80 B-275, PS 380-30/302 from 5 to 15 meters, and in coils of varying lengths.