Filbur Rectangular Diatomaceous Earth [DE] Grid [18" x 11"] [Center Port] (FC-9825) pumps Their reputation comes from consistent

Their reputation comes from consistent build quality

efficiency

6" diameter fitting

An eight-button layout gives you more direct control over the spa

Filbur Rectangular Diatomaceous Earth [DE] Grid [18" x 11"] [Center Port] (FC-9825) pumps Their reputation comes from consistentA 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