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Caldera Utopia 73531 Filter Cartridge

  • $52.00

Caldera Utopia 73531 Filter Cartridge


The Caldera 73531 replacement filter is a compatible replacement for select Caldera Utopia Spas 2004 to current. With 260 pleats, this Caldera filter provides more efficient filtration and better water clarity. Spend less time cleaning and more time enjoying your hot tub.

 Made from heavy-duty polyester, Caldera filters are designed to last far longer than cheaper alternatives. All Caldera filter are made in the USA.

What’s in the box

  • 1 x Caldera Utopia 73531 Replacement Filter

Filter Specs

  • Filtration Sq Ft: 75
  • Outer Diameter: 7"
  • Length: 14-11/16"
  • Top: Semi-Circular Handle
  • Bottom: Open 1-1/2"
  • Pleat Count: 260
  • Media Weight: 3 oz

Recommend For

Caldera Spas Utopia 2004 & Current

**For hot tub compatibility please refer to the table in the photo section**

If you are not sure about the filter that you need, please contact us through our chat or at


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