Check Valve Duckbills Only - Package of 2 filter-length_17 3/8 inches The Magnum includes Super Grip

The Magnum includes Super Grip PVA brushes and infrared detection

This anchor set is salt water friendly

thus ensuring dependable operation and long life

There is no need to worry when applying this product because it will have no adverse effects on surface appearance after application

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

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