All PVC SCH 40/STD white fittings shall be produced by Spears® Manufacturing Company from PVC Type I cell classification 12454, conforming to ASTM D1784. All injection molded PVC SCH 40/STD white fittings shall be certified for potable water service by NSF® International and manufactured in strict compliance to ASTM D 2466. All fabricated fittings shall be produced in accordance with Spears® General Specifications for Fabricated Fittings. Spears® 498-007, Union Fitting/Connector, 3/4 in Nominal, FNPT End Style, 1-25/32 in Length, SCH 40/STD Schedule, 150 psi Pressure, Molded Method of Manufacture, PVC, EPDM O-Ring Seal, White, 73 deg F, Domestic/Import: Domestic