Duckbill Check Valve - 1/4 Inch - Santoprene - Package of 5 filtration-area_100-199 They also have replaceable wear

They also have replaceable wear rings and a simple back pull-out design that provide easy serviceability

This is an 8 foot Backstroke Stanchion Post constructed of 304 stainless steel with a thick wall of

Working with a residual santizer

Mounting holes: 2

Pool use may resume 15 minutes after the product has entered the filter or when the product in the pool has fully dissolved

Duckbill Check Valve - 1/4 Inch - Santoprene - Package of 5 filtration-area_100-199 They also have replaceable wearThis is a package of 5 1 4 Inch Stenner Santoprene Duckbill Check Valves for all Stenner pumps excluding models with S4 prefix. It includes a Santoprene duckbill and 1 4 inch ferrule for each valve.