7/8 X 3/8 Reducing Compression UnionThe 7 8" x 3 8" Reducing Compression Union is a plumbing fitting designed to connect two pipes of different sizes7 8" and 3 8"in a straight line. It features compression fittings on both ends to create a secure, leak free connection. This union allows for a smooth transition between the two pipe sizes and is commonly used in residential and commercial plumbing applications where size reduction and a reliable connection are needed. Specification