Thank you for your excellent customer service.  I appreciate the prompt individual attention you have provided – very professional !
Martin, Seattle, WA

At PondUSA.com we carry female threaded (FPT x FPT) and SLIP x SLIP check valves in many different sizes from 3/4″ to 3″.

Threaded check valves are suitable for use with male threaded (MPT) fittings or hose adapters. SLIP Fitting check valves are suitable for use with PVC Schedule 40 flex hose or rigid PVC pipe.