
HDPE Plastic Water Pipe by Size - Keith Specialty
HDPE (High Density PolyEthylene) Plastic Water Pipe [Waterline] Aqua-Jet high-density polyethylene [HDPE, PE-4710, "black plastic"] pipe is manufactured in the USA. This pipe is NSF-approved for potable [drinking] water ("NSF-pw" is printed on the outside).