Insert Barb x Insert Barb | Compression | MIP Threaded | Socket Weld x Threaded | Sweat x MIP | Threaded MIP | Threaded x Threaded | Threaded | PVC 40 DWV Pipe and Fittings | 1-1/2" | 1" x 1/8" | 1" x 3 | 3" x 1"