Looking for a filter hot tub? Have a look at this 2018 guide!

We spent many hours on research to finding filter hot tub, reading product features, product specifications for this guide. For those of you who wish to the best filter hot tub, you should not miss this article. filter hot tub coming in a variety of types but also different price range. The following is the top 9 filter hot tub by our suggestions:

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Guardian Filtration Products, Replacement Pool Spa Filter, for Unicel C-4326, Spa Filter FC2375, Pleatco PRB25, 2 Pack Guardian Filtration Products, Replacement Pool Spa Filter, for Unicel C-4326, Spa Filter FC2375, Pleatco PRB25, 2 Pack
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3-Pack Guardian Pool/Spa Filters  Replaces Watkins Hot Springs, Unicel C-6430, Pleatco PWK30, Filbur FC-3915 3-Pack Guardian Pool/Spa Filters Replaces Watkins Hot Springs, Unicel C-6430, Pleatco PWK30, Filbur FC-3915
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2 Pack Guardian Pool Spa Filter Replaces Unicel C-4950 Pleatco PRB50-IN Filbur FC-2390 2 Pack Guardian Pool Spa Filter Replaces Unicel C-4950 Pleatco PRB50-IN Filbur FC-2390
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Guardian Filtration Products, Replacement Pool Spa Filter, For Unicel C-4950, Pleatco PRB50-IN, Filbur FC-2390 Guardian Filtration Products, Replacement Pool Spa Filter, For Unicel C-4950, Pleatco PRB50-IN, Filbur FC-2390
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Guardian Filtration Products 2 Pack - New Spa Filter Cartridges Fit: UNICEL 6CH-940-FILBUR FC-0359-Pleatco PWW50P3 Guardian Filtration Products 2 Pack - New Spa Filter Cartridges Fit: UNICEL 6CH-940-FILBUR FC-0359-Pleatco PWW50P3
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2 pak-filter replaces- PLEATCO PDM25P4 DREAM MAKER GATSBY SPA unicel 4CH-21, HOT TUB CARTRIDGE,filbur FC-0136, 2 pak-filter replaces- PLEATCO PDM25P4 DREAM MAKER GATSBY SPA unicel 4CH-21, HOT TUB CARTRIDGE,filbur FC-0136,
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Filbur FC-0359 Antimicrobial Replacement Filter Cartridge for Select Pool and Spa Filter Filbur FC-0359 Antimicrobial Replacement Filter Cartridge for Select Pool and Spa Filter
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Unicel C-8465 Replacement Filter Cartridge for 65 Square Foot Hot Springs Spas/Watkins Mfg Unicel C-8465 Replacement Filter Cartridge for 65 Square Foot Hot Springs Spas/Watkins Mfg
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Unicel C-4950 Replacement Filter Cartridge for 50 Square Foot Rainbow, Waterway Plastics, Custom Molded Products Unicel C-4950 Replacement Filter Cartridge for 50 Square Foot Rainbow, Waterway Plastics, Custom Molded Products
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Related posts:

1. Guardian Filtration Products, Replacement Pool Spa Filter, for Unicel C-4326, Spa Filter FC2375, Pleatco PRB25, 2 Pack

Feature

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.

Description

The choice is clear when it comes to affordable, clean water. Offering top-quality
pool and spa filter cartridges & great customer service at a competitive price.
For over 14 years, Guardian Filtration Products has been manufacturing & warehousing
a full line of pool & spa filter cartridges, compatible with brands & manufacturers such as
Unicel, Pleatco, Filbur, Pentair, Hayward, Sta-Rite, Sunbeam & more. We currently
carry over 175 of the most popular replacement filter cartridges on the market.

2. 3-Pack Guardian Pool/Spa Filters Replaces Watkins Hot Springs, Unicel C-6430, Pleatco PWK30, Filbur FC-3915

Feature

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.

Description

New in factory packaging- 3-Pack Guardian Filtration Products Filter Cartridges Replaces: Unicel C-6430 Pleatco PWK30 Filbur FC-3915 Also replaces the following: Watkins 30 / Hot Springs - OEM Part # 31489 71825 71826 75041 73178 Tri-X 0969601 APCC7095 13004 APCC7095M

3. 2 Pack Guardian Pool Spa Filter Replaces Unicel C-4950 Pleatco PRB50-IN Filbur FC-2390

Feature

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

Description

2-Pack Guardian Filtration Products 413-212-02 New in Factory Packaging Dimensions: 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 50 sq. ft. of high quality REEMAY Filtration Fabric Also replaces the following: Beachcombers Spas - OEM part number 3005815 -Bull Frogs Spas - OEM part number PR. Top Load -Cal Spas - OEM part number 17-2380 -Coast Spas - OEM part number 817-500 -Custom Molded Products EZ Twist Skim - OEM part number 25391 -Hydropool Canada - OEM part number Top Load Cartridge -Leisure Bay Rec Warehouse - OEM part number 817-5000 -Maxx Spas Canada - OEM part number 17-2380 -Morgan Spas - OEM part number 17-2380 -Rainbow Plastics In Line / Top Load - OEM part number 17-2380 -Viking Spas In Line / Top Load - OEM part number 17-2380 -Vita Spa / DM Industries Le Cirque - OEM part number 212320 -Waterway Plastics In Line / Top Load - OEM part number 817-5000 Rainbow Dynamic 50 | 03FIL1600 | 100533 | 6540-471 | R173434 | 3301-2145 | 5001 | Dynamic Series I RDC-50 | RDC-50S | R173430 | 17-3430 | R172380 | Series II & III RTL-50 | RCF-50 | 17-175-1595 | 73533 | 212320 | LE CIRQUE | 4900-41 | Series IV DFM | Series IV DFML | 373045 | 17-175-1596 | APCC7150 | 15002 | FIL1110022 | PRB50-IN-Z

4. Guardian Filtration Products, Replacement Pool Spa Filter, For Unicel C-4950, Pleatco PRB50-IN, Filbur FC-2390

Feature

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.

Description

The choice is clear when it comes to affordable, clean water. Offering top-quality
pool and spa filter cartridges & great customer service at a competitive price.
For over 14 years, Guardian Filtration Products has been manufacturing & warehousing
a full line of pool & spa filter cartridges, compatible with brands & manufacturers such as
Unicel, Pleatco, Filbur, Pentair, Hayward, Sta-Rite, Sunbeam & more. We currently
carry over 175 of the most popular replacement filter cartridges on the market.

Length: 14-3/4"
Diameter: 5-5/16"
Top Opening: 2-1/8"
Bottom Opening: 2-1/8"

5. Guardian Filtration Products 2 Pack - New Spa Filter Cartridges Fit: UNICEL 6CH-940-FILBUR FC-0359-Pleatco PWW50P3

Feature

Outside Diameter: 6"
Length: 7 5/8" (also 8")
Top Opening: Handle
Bottom Opening: 1 1/2" SAE Threaded, Male
Media Weight - 3 oz.

Description

Also replaces the following filters:Pleatco: PWW50P3 | Unicel: 6CH-940 | Filbur: FC-0359 Alternate Filter Names: 03FIL1400 | 25252 | 378902 | 817-0050 | 817-0500 | 17-175-1749 | 25252-800 | X268045 | PWW50EP1 | PWW50P3 EP1 | H2X | X265010 | PWW50 W/ PAD-3L AD | PWW50 W/ PAD-3L | PWW50-PAD3 | PWW50P3-Z

6. 2 pak-filter replaces- PLEATCO PDM25P4 DREAM MAKER GATSBY SPA unicel 4CH-21, HOT TUB CARTRIDGE,filbur FC-0136,

Feature

Handle top, 8" length, 4-5/8" diameter, bottom has 1-1/2" MPT threaded
Replaces Unicel 4CH-21, Pleatco PTL18P4, Filbur FC-0121
Features 18 sq. ft.of high-quality Reemay Filtration Fabric with Expansive Flow core and antimicrobial end caps
Used in pools/spas made by: Alcove, Atera, DM Industries, Dream Maker Spas, Maax Spas of AZ, Pageant Spas, Saratoga Spas, Vita Spas

Description

: PTL18P4-4 | Unicel: 4CH-21 | Filbur: FC-0121 Diameter: 4 5/8" Length: 8" Top: Handle Bottom: 1 1/2" MPT male Threaded Filter Area: 20 sq ft Filter Material: Reemay 3 oz. Alternate Filter Names: 20245-238 | SD-00845 | SD-00821 | SD-00838 | 17-175-1025 | 090164187006 | PTL18P | PTL 18 | PSN50 W/ PAD AD | PTL18 W/ PAD | PVT-25N | PA17 (PAD OPT) | PA13 | PSI18 | PTL18P-4 Used in pools / spas made by: Alcove | Atera | DM Industries | Dream Maker Spas | Maax Spas of AZ | Pageant Spas | Saratoga Spas | Vita Spas and other manufacturers

7. Filbur FC-0359 Antimicrobial Replacement Filter Cartridge for Select Pool and Spa Filter

Feature

High performance pleated polyester media
Reinforced antimicrobial end caps
Extruded pvc center cores
Break resistant bands
Molded in threads, no loose inserts

Description

Cartridges are produced with genuine Reemay filter media and durable polyurethane end caps. Prevents harmful bacteria from growing on the cartridge. Less bacteria results in a reduction of foul odors, algae, black mold and other harmful contaminants which foul a cartridge. Antimicrobial protection lasts as long as the cartridge itself. Easier to clean than any other filter. 100 percent polyester core for strength and durability. Polyester Microban sheath for ease of maintenance. Extruded and reinforced PVC center cores. Embossed part numbers. Break-resistant bands. No pad adapters needed. Fits Apollo spas, Atera spas, Belize spas, Charisma spas, Tuff spas, Cyanna Valley spas (Viking) filter model PWW50. Measures 6-inch diameter by 8-1/4-inch length. Closed top hole, 1-1/2-inch bottom hole. Top crescent handle style, 1-1/2-inch SAE style. 40-Square feet area and weighs 3-ounce. Replaces Unicel, Pleatco, Aladdin filter cartridge models 6CH-940, PWW50P3, 14510.

8. Unicel C-8465 Replacement Filter Cartridge for 65 Square Foot Hot Springs Spas/Watkins Mfg

Feature

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

Description

65 Square Foot Hot Springs Spas/Watkins Mfg.. Note: The original was 45 Square Foot (162 pleats). This replacement has been upgraded to 65 Square Foot Replacement for: Hot Springs Spas 31114; Tiger River 31114; Hot Springs Spas 71827; Hot Springs Spas 71828

9. Unicel C-4950 Replacement Filter Cartridge for 50 Square Foot Rainbow, Waterway Plastics, Custom Molded Products

Feature

Diameter: 4 15/16-inch; length: 13 5/16-inch
Top end cap: open, 2-1/8-inch inner diameter; bottom end cap: open, 2-1/8-inch inner diameter
Pleat count: 212; filter media: 3-ounce reemay 2033; filter area: 50 square feet
Get more efficient filtration and better water clarity with Unicel filters
Longer time between cleanings; meets oem specifications

Description

50 Square Foot Rainbow, Waterway Plastics, Custom Molded Products . Note: 50 Square Foot C-4950 is an upgrade to 25 Square Foot C-4326 and C-4625 cartridges. Replacement for: Accent Spas; Acryx-Maax Spas (Canada); Alps Spas; American Spas; Apollo Spas; Aqua Mystic; Aqua Tech Spas; Aquiform-Infinity Spas; Baja Spas; Blue Falls Mfg. Ltd. (Canada); Blue Pacific Spas; Bullfrog Spas; Cal Spas; Charisma Spas; Coast Spas (Canada); Coleman Spas 3301-2145; Discovery Spas; Dynasty Spas; Freedom Spas (Note: Model dated after 1993.); Haughs; Hawkeye Spas; Heldor Spas; Hydro Spa; J.E.M. Spas; Leisure Bay Spas; Marathon Spas; Millennium Spas; Moonwater Spas; Morgan Spas; Northwest Spas; Pageant Spas; Pentair Pool Prod R173434; Pentair Pool Prod R173434; Pentair Pool Prod R173434; Pentair Pool Prod R173434; Pentair Pool Prod - Rainbow Plastics 17-2380; Pentair Pool Prod - Rainbow Plastics 17-2380; Pentair Pool Prod - Rainbow Plastics 17-2380; Phoenix Spas; QCA; River Valley Spas; Safari Spas; Seahorse Spas; Sequoia Design; Signature Spas; Sonoma Spas; Spa Crest; Streamline Spas; Sunbelt Spas; Suncountry Spas; Sundance Spas 6540-471; Sunrise Spas; Sunset Spas; Superior Spas; Tiara Spas; US Spas; US Tooling & Spa; Warm Springs Spa; Waterway Plastics 817-5000; Wind River Spas

Conclusion

All above are our suggestions for filter hot tub. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using filter hot tub with us by comment in this post. Thank you!

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