Top 6 Caldera Hot Tub Filter – Cartridge Pool Filters

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1. SpiroPure

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SpiroPure Replacement for Pleatco PCD75 Unicel C-7479 Filbur FC-3085 Caldera 75 Hot Tub Spa Pool Filter Replacement Cartridge

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SpiroPure #ad - Outer diameter: 7" length: 14 3/4" Media: 75 SF. A strong inner core means increased strength without hindering water flow or filtration performance. Compatible with pleatco pcd75 unicel c-7479 Filbur FC-3085 Caldera 75 Hot Tub Spa Filter. Easy to install, durable filter cartridges that allow for high filtration performance and efficiency. Spiropure pool and spa filter cartridges offer long-lasting, durable filter media with high dirt holding capacity for clear, sparkling water in your pool or hot tub spa.
BrandSpiroPure #ad
ManufacturerSpiroPure #ad
Height14.8 Inches
Length7 Inches
Width7 Inches
Part NumberSP-PS-3085
ModelSP-PS-3085

2. SpiroPure

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SpiroPure Replacement for Unicel C-7350 Filbur FC-3963 Pleatco PCD50N Caldera Spas 50 73532 1019401 Hot Tub Spa Pool Filter Replacement Cartridge

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SpiroPure #ad - Spiropure pool and spa filter cartridges offer long-lasting, durable filter media with high dirt holding capacity for clear, sparkling water in your pool or hot tub spa. Outer diameter: 7" length: 10 3/4" Media: 50 SF. Compatible with unicel c-7350 filbur fc-3963 pleatco pcd50n Caldera Spas 50 73532 1019401 Hot Tub Spa Filter. A strong inner core means increased strength without hindering water flow or filtration performance. Easy to install, durable filter cartridges that allow for high filtration performance and efficiency.
BrandSpiroPure #ad
ManufacturerSpiroPure #ad
Height10.8 Inches
Length7 Inches
Width7 Inches
Part NumberSP-PS-3963
ModelSP-PS-3963

3. Unicel

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71828, Tiger River 31114, Hot Springs 31114, Unicel C-8465 65 Square Foot Hot Tub and Spa Replacement Pool Filter Cartridge for Caldera 76136, 71827

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Unicel #ad - Quality replacement filter: High quality 65 square foot filter media replacement cartridge that is made in the USA. Pleat count: this replacement cartridge has a pleat count of 234. Size: top and bottom hole: 3-inch opening | Diameter: 8. 5 inches. Model: model c-8465 hot tub and spa replacement filter cartridge with a 1-year manufacturer warranty. Good replacement for: replaces caldera spas 76136; hot springs Spas 31114, 71827, 71828; and Tiger River Spas 31114.
BrandUnicel #ad
ManufacturerUnicel - Distribution #ad
Height0 Inches
Length0 Inches
Weight4.28 Pounds
Width0 Inches
Part NumberC8465
ModelC-8465
Warranty1-Year

4. Caldera

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Caldera Spa 100 Sq Ft Filter Utopia Series 2005 to Current Part #73722

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Caldera #ad - This spa filter is designed to fit the following hot tubs and spas: caldera tahitian 2005-Current, Caldera Geneva 2005-Current, Caldera Niagara 2005-Current, Caldera Aspire 2004-2008 and Caldera Elation 2003-2010.
BrandCaldera #ad
ManufacturerWatkins Wellness #ad
Weight96 ounces
Part Number73722
Model73722

5. Hot Spring

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Filter Cartridge OEM for Hot Spring, Hot Spot, Watkins item 71825, and Caldera spas, Solana

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Hot Spring #ad - Hot spot rlx 1998-2002; slx 1998-2002; sx 2011-current, tx 2011-current; slxtra 2001-2002; re 1998-2002; SE 1998-2000 Hot spring grandee 1991-current; vista 2004-2013; envoy 2004-current; vanguard 2001-current; grandee nxt 2014-current; envoy nxt 2014-current; jetsetter nxt 2014-current; jetsetter 1991-Current; Prodigy 1991-Current; Sovereign 1991-Current; Alccolade 2005-2006; Landmark 1997-2003; Summit 1995-1996; Aria 2007-2015; Highlife ILE 2003. Solana sx 2003-2010; tx 2000-2010; rx 2003-2009. 71825 hot spring replacement Filter is for the following models:. Caldera tarino 2013-Current.
BrandHot Spring #ad
ManufacturerWatkins #ad
Height8 Inches
Length12 Inches
Width8 Inches
Part NumberPD-33803

6. SpiroPure

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SpiroPure Replacement for Pleatco PRB35-IN Unicel C-4335 Filbur FC-2385 Thermo Spas FL1008 Caldera Spas 74148 Waterway 35 817-3501 6000-136 Hot Tub Spa Pool Filter Replacement Cartridge Case of 6

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SpiroPure #ad - Easy to install, durable filter cartridges that allow for high filtration performance and efficiency. Spiropure pool and spa filter cartridges offer long-lasting, durable filter media with high dirt holding capacity for clear, sparkling water in your pool or hot tub spa.

A strong inner core means increased strength without hindering water flow or filtration performance. Compatible with pleatco prb35-in prb35-in-m unicel c-4335 filbur fc-2385 thermo spas fl1008 caldera spas 74148 waterway 35 817-3501 6000-136 Baleen AK-3015 Tier1 PAS-1444 Sundance Spas 6000-136 Hot Tub Spa Filter. Outer diameter: 4 15/16" length: 9 1/4" Media: 35 SF.
BrandSpiroPure #ad
ManufacturerSpiroPure #ad
Height9.3 Inches
Length4.9 Inches
Width4.9 Inches
Part NumberSP-PS-2385 (Case of 6)
ModelSP-PS-2385 (Case of 6)