Filbur Pentair/Hayward/WW Diatomaceous Earth [DE] Grid [Partial] [18" x 9-3/4"] [36 SqFt] (FC-9430) manifolds A properly selected replacement helps

A properly selected replacement helps preserve the intended hold and serviceability of the assembly instead of forcing a compromise that only partly fits

That matters because visible jet parts contribute heavily to the perceived quality of the spa interior

Useful when original grids are damaged or worn

The DOW 732 formulation

the system can feel less dependable than it should

Filbur Pentair/Hayward/WW Diatomaceous Earth [DE] Grid [Partial] [18" x 9-3/4"] [36 SqFt] (FC-9430) manifolds A properly selected replacement helpsA partial DE grid helps complete the internal filtration surface of a compatible diatomaceous earth filter assembly, and this Filbur FC 9430 grid is designed for Pentair, Hayward, and WW applications in an 18 inch by 9 3 4 inch format for 36 square foot systems. When a partial grid becomes damaged or worn, the filter can lose the even support it should provide across the grid set. The Pentair, Hayward, and WW compatibility, 18 inch by 9 3 4 inch