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  15. Top 10 Best Hot Tub Filters

Top 10 Best Hot Tub Filters

- July 2019

Results based on 3630 Reviews

Score
Top Choice
1
3-Pack Guardian Pool/Spa Filters • Replaces Watkins Hot Springs, Unicel C-6430, Pleatco PWK30, Filbur FC-3915 Guardian Filtration Products
Guardian Filtration Products
3-Pack Guardian Pool/Spa Filters • Replaces Watkins Hot Springs, Unicel C-6430, Pleatco PWK30, Filbur FC-3915
  • Outside Diameter: 5 - 7/8" (5 7/8")
  • Length: 10 - 1/2" (10 1/2")
  • Top Opening: 1 - 15/16" (1 15/16")
  • Bottom Opening: 1 - 15/16" (1 15/16")
  • Media Weight - 3 oz.
  • EAN: 0045635692046
  • UPC: 045635691933
  • MPN: 610-124-03
  • Model Number: 610-124 Single
  • Part Number: 610-124-03
  • Warrenty: 1 Year
  • Height: 1050 hundredths-inches
  • Width: 563 hundredths-inches
  • Length: 1050 hundredths-inches
  • Width: 563 hundredths-inches
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2
Intex 6 x 29001E B00PUZW3N2 PureSpa Type S1 Easy Set Pool Cartridges (12 Filters) | 2, 1 Pack, Blue Intex
Intex
Intex 6 x 29001E B00PUZW3N2 PureSpa Type S1 Easy Set Pool Cartridges (12 Filters) | 2, 1 Pack, Blue
  • Genuine Intex type S1 filter cartridge - twelve pack The S1 cartridge filter is sure to keep your purespatm jet massage water clean and fresh
  • It is made with easy-to-clean, heavy duty Dacron paper, for the ultimate filtration
  • For maximum efficiency, clean cartridges each week and replace once a month or sooner
  • Each filter Measures 3in x 4 1/4 in
  • Works with all Intex PureSpa models including 28403E, 28407E, 28443E, 28453E, 28421E, 28423E, 28413E, and 28453E
  • EAN: 0124514124745
  • UPC: 124514124745
  • MPN: 6 x 29001E
  • Model Number: 6 x 29001E
  • Part Number: 6 x 29001E
  • Size: 1 Pack
  • Height: 425 hundredths-inches
  • Width: 575 hundredths-inches
  • Length: 425 hundredths-inches
  • Width: 575 hundredths-inches
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3
Unicel C-8465 Replacement Filter Cartridge for 65 Square Foot Hot Springs Spas/Watkins Mfg Unicel - Distribution
Unicel - Distribution
Unicel C-8465 Replacement Filter Cartridge for 65 Square Foot Hot Springs Spas/Watkins Mfg
  • Diameter: 8 1/2-inch; length: 10 1/2-inch
  • Top end cap: open, 3 0/0-inch inner diameter; bottom end cap: open, 3 0/0-inch inner diameter
  • Pleat count: 234; filter media: 3-ounce reemay 2033; filter area: 65 square feet
  • Get more efficient filtration and better water clarity with Unicel filters
  • Longer time between cleanings; meets oem specifications
  • EAN: 0678285180153
  • UPC: 678285180153
  • MPN: C-8465
  • Model Number: C-8465
  • Part Number: C-8465
  • Size: 1 Pack
  • Height: 1100 hundredths-inches
  • Width: 1100 hundredths-inches
  • Length: 1100 hundredths-inches
  • Width: 1100 hundredths-inches
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4
Guardian Filtration Products 2 Pack - New Spa Filter Cartridges Fit: UNICEL 6CH-940-FILBUR FC-0359-Pleatco PWW50P3 Guardian Filtration Products
Guardian Filtration Products
Guardian Filtration Products 2 Pack - New Spa Filter Cartridges Fit: UNICEL 6CH-940-FILBUR FC-0359-Pleatco PWW50P3
  • COMPATIBLE WITH - Most indoor/outdoor inground and above ground swimming pools, hot tubs, and spas.
  • EXPANSIVE FLOW CORE - Specially molded design allows higher water access to filtration fabric, reducing overall pump stress.
  • BREAK-RESISTANT BANDING - Guardian banding prevents cartridge malfunction due to normal wear & tear.
  • ANTIMICROBIAL END CAPS - Inhibit bacterial growth for optimal performance to deliver crystal clear water.
  • HIGH QUALITY FILTRATION FABRIC - Engineered for durability and high dirt-holding capacity, this filter stands strong under pressure and holds up to the rigors of multiple cleanings.
  • EAN: 0045635692152
  • UPC: 045635692152
  • MPN: FBA_6H8-225
  • Model Number: 6H8-225
  • Part Number: FBA_6H8-225
  • Size: 2 Pack
  • Height: 469 hundredths-inches
  • Width: 370 hundredths-inches
  • Length: 232 hundredths-inches
  • Width: 370 hundredths-inches
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5
Intex 29001000000 B01DEMGBAI Intex-29001E PureSpa Type S1 Easy Set Pool Filter Cartridges, (6 Fil, 1-Pack, Blue INTEX
INTEX
Intex 29001000000 B01DEMGBAI Intex-29001E PureSpa Type S1 Easy Set Pool Filter Cartridges, (6 Fil, 1-Pack, Blue
  • Genuine INTEX type s1 filter cartridges
  • A pair of s1 cartridge filters are sure to keep your pure spa jet massage water clean and fresh
  • It is made with easy-to-clean, heavy duty Dacron paper, for the ultimate filtration
  • For maximum efficiency, clean cartridges each week and replace at least once a month
  • Manufacturer item : 29001E
  • EAN: 4202250090930
  • UPC: 719918384668
  • MPN: 2.90E+10
  • Model Number: 29001000000
  • Part Number: 2.90E+10
  • Size: 1-Pack
  • Height: 425 hundredths-inches
  • Width: 575 hundredths-inches
  • Length: 425 hundredths-inches
  • Width: 575 hundredths-inches
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6
Guardian Filtration Products, Replacement Pool Spa Filter, for Unicel C-4326, Spa Filter FC2375, Pleatco PRB25, 2 Pack Guardian Filtration Products
Guardian Filtration Products
Guardian Filtration Products, Replacement Pool Spa Filter, for Unicel C-4326, Spa Filter FC2375, Pleatco PRB25, 2 Pack
  • COMPATIBLE WITH - Most indoor/outdoor inground and above ground swimming pools, hot tubs, and spas.
  • EXPANSIVE FLOW CORE - Specially molded design allows higher water access to filtration fabric, reducing overall pump stress.
  • BREAK-RESISTANT BANDING - Guardian banding prevents cartridge malfunction due to normal wear & tear.
  • ANTIMICROBIAL END CAPS - Inhibit bacterial growth for optimal performance to deliver crystal clear water.
  • HIGH QUALITY FILTRATION FABRIC - Engineered for durability and high dirt-holding capacity, this filter stands strong under pressure and holds up to the rigors of multiple cleanings.
  • EAN: 4202250080672
  • UPC: 045635691773
  • MPN: 413-106
  • Model Number: 413-106
  • Part Number: 413-106
  • Height: 520 hundredths-inches
  • Width: 386 hundredths-inches
  • Length: 189 hundredths-inches
  • Width: 386 hundredths-inches
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7
2 Replacement Filters for Lifesmart, Freeflow, AquaTerra, Hydromaster, Grandmaster, Simplicty, Bermuda Spas - 50SF [2-PACK] Clarathon
Clarathon
2 Replacement Filters for Lifesmart, Freeflow, AquaTerra, Hydromaster, Grandmaster, Simplicty, Bermuda Spas - 50SF [2-PACK]
  • Pack of (2). Fits Lifesmart Grandmaster, Jewel, Hydromaster, Simplicity Spas
  • Diameter: 5-3/8" - 50 square foot filtration media
  • Length from end cap to end cap (excluding threaded fitting): 9-5/8"
  • Top: Closed with string pull - Bottom: Threaded
  • Guaranteed to equal or outperform OEM filters that came with your spa
  • EAN: 0645544024022
  • UPC: 645544024022
  • MPN: ACT-50SQF
  • Model Number: ACT-50SQF
  • Part Number: ACT-50SQF
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8
2 Guardian Pool Spa Filter Replaces Unicel C-4335 PRB35-IN - FC-2385 - Rainbow Dynamic Series IV Guardian Filtration Products
Guardian Filtration Products
2 Guardian Pool Spa Filter Replaces Unicel C-4335 PRB35-IN - FC-2385 - Rainbow Dynamic Series IV
  • 9 1/4'' LENGTH
  • C-4335
  • RAINBOW
  • WATERWAY PLASTICS
  • DIAMETER 5''
  • EAN: 0784672630627
  • UPC: 784672630627
  • MPN: 409-219
  • Model Number: 409-219
  • Part Number: 409-219
  • Height: 425 hundredths-inches
  • Width: 378 hundredths-inches
  • Length: 189 hundredths-inches
  • Width: 378 hundredths-inches
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9
Guardian Filtration Products, Replacement Pool Spa Filter, for Watkins Hot Springs C6430, Unicel C-6430, Pleatco PWK30, Filbur FC-3915, 5 Pack Guardian Filtration Products
Guardian Filtration Products
Guardian Filtration Products, Replacement Pool Spa Filter, for Watkins Hot Springs C6430, Unicel C-6430, Pleatco PWK30, Filbur FC-3915, 5 Pack
  • COMPATIBLE WITH - Most indoor/outdoor inground and above ground swimming pools, hot tubs, and spas.
  • EXPANSIVE FLOW CORE - Specially molded design allows higher water access to filtration fabric, reducing overall pump stress.
  • BREAK-RESISTANT BANDING - Guardian banding prevents cartridge malfunction due to normal wear & tear.
  • ANTIMICROBIAL END CAPS - Inhibit bacterial growth for optimal performance to deliver crystal clear water.
  • HIGH QUALITY FILTRATION FABRIC - Engineered for durability and high dirt-holding capacity, this filter stands strong under pressure and holds up to the rigors of multiple cleanings.
  • EAN: 0045635691605
  • UPC: 045635691605
  • MPN: 610-124-05
  • Model Number: 610-124-05
  • Part Number: 610-124-05
  • Warrenty: 1 year
  • Height: 3000 hundredths-inches
  • Width: 1000 hundredths-inches
  • Length: 600 hundredths-inches
  • Width: 1000 hundredths-inches
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10
2 Pack Guardian Pool Spa Filter Replaces Unicel C-4950 Pleatco PRB50-IN Filbur FC-2390 Guardian Filtration Products
Guardian Filtration Products
2 Pack Guardian Pool Spa Filter Replaces Unicel C-4950 Pleatco PRB50-IN Filbur FC-2390
  • Length 13-5/16", Diameter 4-15/16" to 5", Top opening 2-1/8", Bottom opening 2-1/8"
  • Replaces Unicel C-4950, Pleatco PRB50-IN, Filbur FC-2390
  • 2-Pack50 sq. ft. of high quality REEMAY Filtration Fabric
  • 2-Pack Guardian Filtration Products 413-212-02 New in Factory Packaging
  • EAN: 0045635691643
  • UPC: 045635691643
  • MPN: 413-212
  • Model Number: 413-212
  • Part Number: 413-212
  • Height: 559 hundredths-inches
  • Width: 413 hundredths-inches
  • Length: 224 hundredths-inches
  • Width: 413 hundredths-inches
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