Pipe, Fittings, and Flanges | 1/2in x 3/8in | Compression Coupling | Coupling | Couplings | 1-1/2" x 1-1/4" | 1-1/4" | 1/2" x 3/8" | 1/4" x 1/4" | 2-1/2" | 5/16"