Top 6 Caldera Spa Filters for Hot Tubs – Cartridge Pool Filters

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1. POOLPURE

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Watkins 65 sq.ft Tiger River Spa Filter, Filbur FC-3960, Pack of 2, 71828, POOLPURE NSF-50 Certified Spa Filter Replace Watkins 31114, 71827, Pleatco PWK65, Unicel C-8465

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POOLPURE #ad - Poolpure is an independent brand. Note: this is a compatible spare part and the manufacturers' names and part numbers have been used for reference purposes only. Replacement models length: 10 1/2”; outside diameter: 8 1/2"; top /bottom opening: 3”; filtration area: 65 sq.

Plfc-8465 filter compatible watkins 31114, bengal, tiger river caspian, 71827, Unicel C-8465, Filbur FC-3960, pleatco pwk65, Sumatran spa filter. This filter lasts for 1-2 years when proper maintenance is performed. Powerful filtration performance innovated "dirt-locking" technology make the fabric traps much more contaminants than regular fabric. Nsf/ansi 50 certified poolpure pool and spa filter is tested and certified by IAPMO against NSF/ANSI 50100% money-back guaranteesix-months return policy guaranteed! product life time warranty on every filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life.

This filter efficiently removes hair, dust, leaves, sand, sediment, etc. Ft. It is also easy to wash/clean to recondition the filter. Poolpure filter delivers safe and clear purified water to inspire the highest sense of happiness. Long service life unique trilobal filtration fabric structure make it easier to capture large volume of contiminants.
BrandPOOLPURE #ad
Manufacturerpoolpure #ad
Length10.5 Inches
Part NumberPLFC-8465
ModelPLFC-8465
WarrantyProduct Life Time Warranty on Every Filter Confirmed With Defects in Material and Workmanship Within Each Filter's 12 Months Service Life. We promise a risk-free shopping experience backed up with our reliable Quality Control, Customer Service and Technical Support Team which is located to Los Angeles.

2. Unicel

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Unicel C-7350 Replacement Cartridge Filter 50 Sq Ft Caldera Spas C7350

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Unicel #ad - Sharp pleat folds maximize spacing between pleats. 50 square foot filter cartridge replacement for Caldera Spa. Tough urethane end caps assure durability for the life of the cartridge. Pleat count: 200 For use with caldera spas 1019401 and Florida Whirlpool 73532.
BrandUnicel #ad
ManufacturerUnicel - Distribution #ad
Height0 Inches
Length0 Inches
Width0 Inches
Part NumberC-7350
ModelC-7350

3. 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 Niagara 2005-Current, Caldera Geneva 2005-Current, Caldera Aspire 2004-2008 and Caldera Elation 2003-2010.
BrandCaldera #ad
ManufacturerWatkins Wellness #ad
Weight96 ounces
Part Number73722
Model73722

4. Unicel

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

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

5. Filbur

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Filbur FC-3965 Antimicrobial Replacement Filter Cartridge for Caldera 100 Pool and Spa Filter

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Filbur #ad - Break resistant bands. High performance pleated polyester media. Molded in threads, no loose inserts. Reinforced antimicrobial end caps. Extruded pvc center cores.
BrandFilbur #ad
ManufacturerFilbur - Distribution #ad
Height10.75 Inches
Length16.5 Inches
Weight0.19 Pounds
Width8 Inches
Part NumberFC-3965
ModelFC-3965
WarrantyOne year, manufacturing defect only

6. King Technology

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2 Pack: Mineral Spa Frog Replacement

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King Technology #ad - If draining/refilling prior to 4 months, replace the Mineral Cartridge at that time. Water feels softer and is very easy to manage. Use with the frog serene Bromine Cartridge for complete water care. For use with the frog Serene Floating or In-Line System. Replace the Mineral Cartridge every 4 months.
BrandKing Technology #ad
ManufacturerKing Technology #ad
Height5 Inches
Length4 Inches
Width4 Inches
Part Number03811
Model03811