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Unicel C-4335 Filter Cartridge

  • $29.99

Unicel C-4335 Filter Cartridge for Rainbow, Waterway, and Caldera Spas


Unicel filter cartridges are some of the finest filters you can by for replacements for your spa. These filters meet and sometimes exceed OEM filters because they are made with the best materials. They are designed to last longer and be stronger than other cheaper alternatives. All Unicel filters are made in the USA, ensuring your confidence with the highest quality.

What’s in the box

  • 1 x Unicel C-4335 Filter Cartridge

Filter Specs

  • Filtration Sq Ft: 35
  • Outer Diameter: 4 - 15/16"
  • Length: 9 - 1/4"
  • Top: Open with Lip Seal
  • Bottom: Open with Lip Seal
  • Pleat Count: 219
  • Media Weight: 3 oz
  • OEM Part #: 74148, 25393, 3501, R173431, 17-2482, 303557, 6000-136, 817-3501

Recommend For

Caldera / Custom Molded / Orca Bay / Pentair Pool Prod / Rec Warehouse / Sundance Spas / Rainbow / Waterway Plastics

**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