Filbur Pentair/Hayward Diatomaceous Earth [DE] Grid [Partial] [12" x 9-3/4"] [24 SqFt] (FC-9420) airsupply and this Jacuzzi Magnum impeller

and this Jacuzzi Magnum impeller is designed for compatible HF

A skimmer faceplate helps finish and reinforce the opening where the skimmer meets the pool wall

Helps restore intended system functionality

The after-2003 compatibility and quantity-of-eight format give this set practical value because sand filter internals work best when they match the original model generation and quantity relationship closely

or ineffective

Filbur Pentair/Hayward Diatomaceous Earth [DE] Grid [Partial] [12" x 9-3/4"] [24 SqFt] (FC-9420) airsupply and this Jacuzzi Magnum impellerA partial DE grid helps complete the filtration assembly inside a compatible diatomaceous earth filter, and this Filbur FC 9420 grid is designed for Pentair and Hayward applications in a 12 inch by 9 3 4 inch format for 24 square foot systems. When a partial grid becomes torn or worn, the filter can lose the balanced support it should provide across the internal grid set. The Pentair and Hayward compatibility, partial grid format, and 24 square foot