Flowguard Gold, 8 OZ, CPVC Yellow Cement, 1 Step, For Cold Water Systems & Hot Water Systems Up To 180 Degrees Fahrenheit, Copper Tube Size, CPVC Hot & Cold Potable Water Pipe & Fittings Up To 2" Diameter, Interference Fit Only, May Be Used Without Primer Where Local Codes Permit, Faster Cure Time & Reduced Installation Time, Exceeds New Environmental Requirements & Meets Various California District Rules, Meets ASTM F 493.