Features. Flexible black self lubricating polyethylene. For use in sprinkler systems between lateral line and sprinkler head. Easy to useSpecifications. Material Polyethylene. End 1 Diameter 12 in. End 1 Type FIP. End 2 Diameter 1 in. End 2 Type MIP. NSF Listed No. Maximum Temperature 140 deg F. Maximum Pressure 80 psi. Average Lead Content LeadFree. IAPMO Certified No. ANSI Certified No. Underground Rated No. Country of Origin United States. Weight 01 lbs