Zodiac DuoClear/Nature2 25K Mineral Cartridge (W28000) flocontrol The Waterway 510-1507 front access

The Waterway 510-1507 front access complete spa skimmer is designed for compatible applications and comes in gray

generic substitution

The US Seal Shaft Seal [PS-3864 5/8" Viton] is a replacement pump shaft seal from US Seal Manufacturing designed to help prevent water from leaking along the pump shaft in compatible pool and spa pump assemblies

This part is a practical choice when the original nut has damaged threads

Zodiac DuoClear/Nature2 25K Mineral Cartridge (W28000) flocontrol The Waterway 510-1507 front accessDesigned 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,