Filbur Rectangular Diatomaceous Earth [DE] Grid [18" x 11"] [Center Port] (FC-9825) tools Supports high-flow systems

Supports high-flow systems

A focused replacement like this is especially useful when the surrounding pump components remain serviceable and the weakness is isolated to the volute itself

The dual flow-path design matters because it helps preserve the more complex seat feel the original system was built to provide

Maintaining strong water movement starts with reliable internal pump hardware

4 inch face-diameter directional wave-style design

Filbur Rectangular Diatomaceous Earth [DE] Grid [18" x 11"] [Center Port] (FC-9825) tools Supports high-flow systemsA rectangular DE grid helps support debris capture inside a compatible diatomaceous earth filter assembly, and this Filbur FC 9825 grid is designed in an 18 inch by 11 inch center port format for matching applications. When the original grid becomes torn, worn, or less effective, the filter can lose the dependable support it should provide. The 18 inch by 11 inch dimensions, center port design, and FC 9825 reference give this part practical value