Check Valve Duckbills Only - Package of 2 fitting-connection_Slip x Female It also prevents the danger

It also prevents the danger of accidentally mixing chlorine and acid

The Doughboy Aboveground Winter Skimmer Plug securely fits into your skimmer opening using an exclusive Rovaseal thermo insulated layer

The Renegade Gunite Skimmer is designed for better and easier installations while maximizing flow

Smith heavy-duty plastic replacement ladder tread with a center to center measurement of 17-7/8 inches

This is a PVC Schedule 80 45 Degree Elbow with FIPT x FIPT fitting connections that measure 3 Inch

Check Valve Duckbills Only - Package of 2 fitting-connection_Slip x Female It also prevents the dangerThis is a package of 2 Stenner Check Valve Duckbills only replacements. These Duckbills are Santoprene and fit any of the Duckbill Check Valves.