Create a leak-resistant connection between pipes without the need for traditional glued sealant with the 1 in. PVC Union Sch. 80 S X S. This easy-fit coupling has two slip ends that slide onto 1 in. Sch. 80 pipe ends. Union is NSF/ANSI 61+372 and UPC listed. 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.