Check Valve Duckbills Only - Package of 2 filter-length_17 3/8 inches The 16-foot panel includes 16

The 16-foot panel includes 16 handholds made from a proprietary hybrid resin with UV-inhibited formulation specifically designed to withstand harsh aquatic environments

The #1 solution is sealed to comply with transportation regulations

The String Release style works by simply positioning the weir into place and pulling out the string at each side

The design of the PS Series accommodates the high-flow performance in a variety of applications

Check Valve Duckbills Only - Package of 2 filter-length_17 3/8 inches The 16-foot panel includes 16This is a package of 2 Stenner Check Valve Duckbills only replacements. These Duckbills are Santoprene and fit any of the Duckbill Check Valves.