Filter cartridge
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
Pleated cartridges clog with use. Replace one that stays dirty after a rinse.
1Filter cartridge2540-383Part numbers come from hottubs.parts (source 1, source 2, source 3, source 4, source 5), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.