PFUF-1212 | Pro-Flex CSST Union Fitting | 1/2" Pipe Size570438418SKU:UF-1212Inventory ID:03612415Select Item:Price: $13.75Quantity: Proflex CSST Gas Pipe Manual 1/2" Proflex CSST Union Fitting Used to join CSST pipe to same size CSST pipe. Reviews Choose your rating12345