Filbur FC-9890 Pool 18" x 17-3/4" Rectangular DE Grid Filter valveparts Designed for compatible spa water-feature

Designed for compatible spa water-feature applications

and this Poolvergnuegen version is a black quantity-4 set designed for 2-wheel and 4-wheel applications using the 896584000-655 reference

Filter cartridge for compatible PSG40N-P4-M spa and pool systems

making it the right choice when that exact topside face needs to be restored

Filbur FC-9890 Pool 18" x 17-3/4" Rectangular DE Grid Filter valveparts Designed for compatible spa water-featureA rectangular DE grid filter helps form the filtration surface inside a compatible diatomaceous earth filter system, and this Filbur FC 9890 grid is designed in an 18 inch by 17 3 4 inch format for matching pool applications. When the original grid becomes damaged or worn, the filter can lose the dependable debris capture support it should provide. The 18 inch by 17 3 4 inch dimensions and FC 9890 reference give this part practical value because DE