Darlly Cartridge [105 sq ft, 2-1/2" OD Bottom x 9-5/16" dia] (91053) filterparts and this Filbur FC-9870 grid

and this Filbur FC-9870 grid is designed in an 18 inch by 11 inch format for matching pool applications

The LCD display gives this panel practical value because some spa interfaces require more than simple button labels to present operational information clearly

Waterway spa skim filter escutcheon

Product category: Pump Parts

and this King Technology version uses the 2756143 reference

Darlly Cartridge [105 sq ft, 2-1/2" OD Bottom x 9-5/16" dia] (91053) filterparts and this Filbur FC-9870 gridThe Darlly 91053 filter cartridge is designed for compatible filtration applications and offers 105 square feet of filtration area with a 2 1 2 inch bottom opening and 9 5 16 inch diameter. A cartridge like this is useful because it restores filter performance while preserving the original body diameter and lower end fitment used by the housing. Even when every measurement is not listed in the title, the known size details still matter for replacement