Zodiac DuoClear/Nature2 25K Mineral Cartridge (W28000) flocontrol The kit is ideal for

The kit is ideal for push-pull

impeller replacement

generic substitution

Instead of replacing a working topside assembly

Zodiac DuoClear/Nature2 25K Mineral Cartridge (W28000) flocontrol The kit is ideal forDesigned for precise equipment maintenance, this outer cartridge element for Sta Rite System 3 S8M500 filter service helps restore the specific function the original part was intended to provide. It restores the larger outer filtration surface that captures fine debris before water returns to the pool. The listed 20 1 4 inch diameter and 18 9 16 inch height help confirm fit during replacement. The part is especially useful for keeping compatible pool,