Make a connection between pipes without the need for glued sealant using the 1 in. PVC Union Sch. 80 S X FPT. This easy-fit coupling has a slip end that slides onto 1 in. Sch. 80 pipe end, the FPT end threads onto MPT pipe end. The union fitting provides a corrosion-free connection and prevents costly property damage. Durable fitting is made of PVC plastic. EPDM O-ring in the center of union seals pipe connection point.