Darlly 50801 FC-2972 C-5397 PLBS100 Spa/Pool Filter Cartridge marathonelectric A focused replacement like this

A focused replacement like this is especially useful when the surrounding lid and tank remain serviceable and the weakness is isolated to the ring itself

When the spa is no longer heating confidently

The CX580XRE is a practical service part when a compatible Hayward SwimClear 3025 filter needs a cartridge to restore dependable filtration performance

This version is especially useful when the original equipment arrangement is built around the ES8850-H format and the supported 2

Darlly 50801 FC-2972 C-5397 PLBS100 Spa/Pool Filter Cartridge marathonelectric A focused replacement like thisA filter cartridge helps keep the water care system working efficiently by collecting debris during normal circulation, and this Darlly cartridge is designed for compatible applications referencing FC 2972, C 5397, and PLBS100. When the cartridge reaches the end of its service life, filtration can feel less consistent than it should. The multiple application references give this cartridge practical value because precise replacement depends on matching