Stainless Steel 4" Female Camlock x 4" Female NPT Color_Yellow you need 2 1/2 inch

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

Compatible part number - SF25F20T

The male threaded side of this adapter will only connect to a 1 inch female National Pipe Straight Hose (NPSH) or National Pipe Tapered (NPT)

The male threaded side of this adapter will only connect to a 2 1/2 inch female National Pipe Tapered (NPT) thread

Eight inch horizontal pvc strainer

Stainless Steel 4" Female Camlock x 4" Female NPT Color_Yellow you need 2 1/2 inchGlobal type "D" stainless steel 4 inch female camlock (Cam & Groove) coupler to 4 inch female 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 female threaded side of this adapter will only connect to a 4 inch male National Pipe Tapered (NPT) thread, for example, PVC or metal pipe fitting How it works