Couplings | Hex Reducer Bushing | Reducing Coupling | PVC 40 Pipe and Fittings | 1-1/2" x 1" | 1-1/4" x 1/2" | 2-1/2" x 1-1/2" | 2-1/2" x 2" | 3/4"-10 | 3/4" x 1/2" | 4" x 1" | 4" x 2" | 4" x 4"