This is a Stenner Ball Check Valve, 3/8 inch, with Tantalum spring, FKM seat, o-ring and nut. This check ball valve is used on Stenner S Series S40 pumps only.
Presented is a 1/4 Inch Stenner FKM Duckbill Check Valve, compatible with all Stenner pumps except those with the S4 prefix. This valve features a FKM duckbill and a 1/4 inch ferrule. Moreover, it's...