HomeHot tubsCalderaUTOPIA PROVENCE

Caldera UTOPIA PROVENCE hot tub filter cartridge

Caldera UTOPIA PROVENCE: the filter cartridge is part 73531. Source: Leisure Time, checked November 6, 2026.

1Filter cartridge73531

Part numbers come from Leisure Time (source), checked November 6, 2026. Amazon buttons open a search for the part number; we may earn a commission.

Where the model number is

On the label of the control box in the equipment bay, or in the owner's manual.

Other Caldera hot tubs

UTOPIA CANTABRIAUTOPIA ELATIONUTOPIA FLORENCEUTOPIA GENEVA GEBUTOPIA HAWAIIAN HABUTOPIA NIAGARA NIBUTOPIA RAVELLOUTOPIA TAHITIANVACANZA AVENTINEVACANZA CELIO