Filbur 24" 48 sf DE Filter Grid Set | FC-9540 C7490 this cartridge delivers exceptional surface

this cartridge delivers exceptional surface area in a 14 7/8" profile — trapping fine debris and maintaining water clarity between cleanings

Swimline HydroTools Sand Filter System designed for smaller above ground swimming pools including inflatable top ring styles

Combo Test #4: Mix Copper & Scale with 02 Safe Shock

Its 185 pleats of 4 oz

These are Pentair & Pleatco recommended compatibility

Filbur 24" 48 sf DE Filter Grid Set | FC-9540 C7490 this cartridge delivers exceptional surfaceDE Filter Grid Set for 48 Sq. Ft Filter Contains 7 large grids and 1 partial grid Synonymous for: Filbur FC 9540 Unicel FS 2004 Also known as: FC9540