Aquatherm Green pipe® Faser Pipe, 1 in Nominal, 23.4 mm Inside Dia, 32 mm Outside Dia, 13 ft Length, 4.32 mm Wall Thickness, SDR 7.4, 195 psi Working, 50 deg F, Fusiolen® PP-R, Green, ANSI Specified, ASTM F2389, CSA B137.11, FM 1635, ICC AC 122, ICC ESR 1613, NFPA 13D, NSF 14/51/61, UPC Listed, Domestic