Filbur Rectangular Diatomaceous Earth [DE] Grid [18" x 19-1/4"] [Center Port] (FC-9850) topsideparts In the correct application

In the correct application

An air button provides a manual pneumatic control point for a compatible system

Part number 9920-401022 is included for easier cross-reference during ordering and maintenance

There is no need to replace the entire topside if the internal electronics are still responding correctly

Filbur Rectangular Diatomaceous Earth [DE] Grid [18" x 19-1/4"] [Center Port] (FC-9850) topsideparts In the correct applicationA rectangular DE grid helps provide the filtration surface needed inside a compatible diatomaceous earth filter, and this Filbur FC 9850 grid is designed in an 18 inch by 19 1 4 inch format with a center port for matching applications. When a grid becomes damaged, worn, or less effective, the filter can lose the dependable support it should provide during operation. The 18 inch by 19 1 4 inch dimensions, center port layout, and FC 9850 reference give