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Caldera UTOPIA FLORENCE hot tub filter cartridge

Caldera UTOPIA FLORENCE: the filter cartridge is part 73722. Source: Leisure Time, checked November 6, 2026.

1Filter cartridge73722

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.