Brass 4" Female Camlock x 4" Male NPT (USA) Inlet Threads_NH / NST This can drastically reduces water

This can drastically reduces water relay time

Carbon Steel Fire Hydrant cap chain to fit 2 1/2 inch or 4 1/2 inch iron caps

Locking springs prevent unintentional disconnects

The anodized aluminum hose couplings are expansion ring and they are not field repairable

WARNING: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm

Brass 4" Female Camlock x 4" Male NPT (USA) Inlet Threads_NH / NST This can drastically reduces waterType "B" brass 4 inch female camlock (Cam & Groove) coupler to 4 inch male NPT threads. Under no circumstances should cam and groove couplings be used for compressed air or steam service! Connections The female side of this adapter will only connect to 4 inch male camlock The male threaded side of this adapter will only connect to a 4 inch female National Pipe Tapered (NPT) or National Pipe Straight Hose (NPSH) thread, for example, PVC or metal pipe