https://www.acehardware.com/departments/plumbing/pumps-and-pump-parts/check-valves/49389
Campbell 3/4 in. D X 3/4 in. D FPT Plastic Spring Loaded Check Valve Mfr# SFV075IND - Ace Hardware
This 3/4" plastic foot valve can convert to a check valve by removing a screen. It works great for the suction side of any well or lawn pump. It is corrosion...