Brass 1 1/2" Male Camlock x 1 1/2" Male NPT (USA) Outlet Size_1 Inch you need 2 1/2 inch

you need 2 1/2 inch plug which is the most common in the US

Blue lightweight lay flat PVC discharge hose is rated for light duty

Optional adapters to make water inlet and outlet hose connections may be ordered separately

Constructed with firefighters in mind

Brass 1 1/2" Male Camlock x 1 1/2" Male NPT (USA) Outlet Size_1 Inch you need 2 1/2 inchType "F" brass 1 1 2 inch male camlock (Cam & Groove) coupler to 1 1 2 inch male NPT threads. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Connections The male side of this adapter will only connect to 1 1 2 inch female camlock The male threaded side of this adapter will only connect to a 1 1 2 inch female National Pipe Tapered (NPT) or a National Pipe Straight Hose (NPSH) thread, for example, PVC