Unicel Pool Filters for Efficient Pool and Spa Maintenance

Unicel pool filters set the standard for reliable water filtration in pools, spas, and hot tubs. Known for their durable construction and effective debris removal, Unicel-compatible filter cartridges help maintain crystal-clear water while protecting your pump and water circulation system from damage. At AllFilters, we offer SpiroPure replacement cartridges engineered to match Unicel filtration specifications and sizing. Whether you need pool filters or spa tub filters, our compatible replacements deliver Unicel-quality filtration at 30–50% less than OEM pricing.
Filbur FC-0125
  • 5 Stars
  • (1)

Unicel 4CH-20 Compatible Filter

List Price: $53.79

Our Price: $26.89

Save: $26.90!
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4-5/8" x 6-3/4"

Filbur FC-0131

Unicel 4CH-24 / C-4324 Compatible Filter

List Price: $55.02

Our Price: $27.51

Save: $27.51!
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4-5/8" x 9-3/4"

Filbur FC-0195
  • 5 Stars
  • (1)

Unicel 5CH-502 Compatible Filter

List Price: $63.59

Our Price: $31.80

Save: $31.79!
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5-3/16" x 12-1/2"

Filbur FC-0196 Made in USA
  • 5 Stars
  • (1)

Unicel 5CH-352 Compatible Filter

List Price: $59.64

Our Price: $29.82

Save: $29.82!
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5-3/16" x 12-1/2"

Filbur FC-0315

Unicel 6CH-47 / 6CH-47RA Compatible Filter

List Price: $65.45

Our Price: $32.72

Save: $32.73!
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6" x 9"

Filbur FC-0536
  • 5 Stars
  • (3)

Unicel 8CH-950 Compatible Filter

List Price: $65.38

Our Price: $32.69

Save: $32.69!
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7-7/8" x 5-3/4"

FC-0685 R173214
  • 5 Stars
  • (5)

Unicel C-9407 / C-9407RA Compatible Filter

List Price: $94.45

Our Price: $47.23

Save: $47.22!
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10-1/16” x 16-1/8”

Filbur FC-1240 Made in USA
  • 5 Stars
  • (5)

Unicel C-7656 / C-7656RA Compatible Filter

List Price: $86.19

Our Price: $43.10

Save: $43.09!
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7" x 19-5/8"

Filbur FC-1255
  • 5 Stars
  • (28)

Unicel C-8411 / C-8411RA Compatible Filter

List Price: $97.60

Our Price: $48.80

Save: $48.80!
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8-15/16" x 17-3/8"

Filbur FC-1285 Made in USA
  • 5 Stars
  • (7)

Unicel C-8311 Compatible Filter

List Price: $111.10

Our Price: $55.55

Save: $55.55!
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8-15/16” x 17-3/8”

Filbur FC-1292 Made in USA
  • 5 Stars
  • (32)

Unicel C-8409 / C-8409RA Compatible Filter

List Price: $102.77

Our Price: $51.39

Save: $51.38!
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8-15/16" x 17-3/8"

Filbur FC-1330 Made in USA

Unicel C-5601 / C-5601RA Compatible Filter

List Price: $56.63

Our Price: $28.31

Save: $28.32!
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5-11/16" x 10-3/8"

Filbur FC-2375
  • 5 Stars
  • (2)

Unicel C-4326 / C-4326RA Compatible Filter

List Price: $30.90

Our Price: $15.45

Save: $15.45!
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4-15/16" x 13-5/16"

Filbur FC-2385
  • 5 Stars
  • (3)

Unicel C-4335 / C-4335RA Compatible Filter

List Price: $31.11

Our Price: $15.55

Save: $15.56!
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4-15/16" x 9-1/4"

Filbur FC-2390 Made in USA
  • 5 Stars
  • (3)

Unicel C-4950 / C-4950RA Compatible Filter

List Price: $61.66

Our Price: $30.83

Save: $30.83!
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4-15/16" x 13-5/16"

FIlbur FC-2395

Unicel C-4975 / C-4975RA Compatible Filter

List Price: $71.03

Our Price: $35.51

Save: $35.52!
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4-15/16" x 20-1/8"

Filbur FC-2715
  • 5 Stars
  • (3)

Unicel 6CH-961 Compatible Filter

List Price: $77.74

Our Price: $38.87

Save: $38.87!
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6-5/8" x 15-1/2"

Filbur FC-2800
  • 5 Stars
  • (2)

Unicel 6CH-960 Compatible Filter

List Price: $77.62

Our Price: $38.81

Save: $38.81!
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6-5/8" x 15-1/2"

Filbur FC-2971 Made in USA
  • 4.5 Stars
  • (1)

Unicel C-5374 / C-5374RA Compatible Filter

List Price: $61.78

Our Price: $30.89

Save: $30.89!
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5-5/16" x 14-3/4"

Filbur FC-3059 Made in USA
  • 5 Stars
  • (1)

Unicel C-7367 Compatible Filter

List Price: $22.66

Our Price: $11.33

Save: $11.33!
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7-1/8" x 10-1/2"

Filbur FC-3077

Unicel C-4310 / C-4310RA Compatible Filter

List Price: $18.52

Our Price: $9.26

Save: $9.26!
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4-1/4" x 4"

Filbur FC-3960
  • 5 Stars
  • (13)

Unicel C-8465 / C-8465RA Compatible Filter

List Price: $81.39

Our Price: $40.70

Save: $40.69!
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8-1/2" x 10-1/2"

Pleatco PRB100

Unicel C-4999 / C-4995RA Compatible Filter

List Price: $90.85

Our Price: $45.42

Save: $45.43!
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4-15/16" x 26-11/16"

Filbur FC-3752

Unicel C-5315 Compatible Filter

List Price: $38.63

Our Price: $19.31

Save: $19.32!
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5-3/4" x 10"

Unicel C-4970

Unicel C-4970 / C-4970RA Compatible Filter

List Price: $80.22

Our Price: $40.11

Save: $40.11!
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4-15/16" x 23-5/8"

Filbur FC-6405 Made in USA
  • 4.5 Stars
  • (8)

Unicel C-7459 / C-7459R / C-7459-4 Compatible Filter

List Price: $81.51

Our Price: $40.76

Save: $40.75!
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Replace every 12-18 months

7" x 27"

Filbur FC-6410 Made in USA
  • 5 Stars
  • (11)

Unicel C-7468 / C-7468RA Compatible Filter

List Price: $88.25

Our Price: $44.13

Save: $44.12!
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Replace every 12-18 months

7" x 27"

Filbur FC-6420
  • 5 Stars
  • (5)

Unicel -7458 / C-7458RA Compatible Filter

List Price: $67.67

Our Price: $33.84

Save: $33.83!
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Replace every 12-18 months

7” x 14-1/8”

Filbur FC-6445
  • 5 Stars
  • (3)

Unicel C-7487 / C-7487-4 Compatible Filter

List Price: $90.41

Our Price: $45.21

Save: $45.20!
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Replace every 12-18 months

7" x 25-1/2"

Filbur FC-0121

Unicel 4CH-21 Compatible Filter

List Price: $73.81

Our Price: $36.90

Save: $36.91!
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4-5/8” x 8”

SpiroPure  SP-PS-0003 Made in USA

Unicel 5CH-25 Compatible Filter

List Price: $54.28

Our Price: $27.14

Save: $27.14!
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5-5/8" x 6"

SpiroPure SP-PS-0016 Made in USA

Unicel C-8416 Compatible Filter

List Price: $158.76

Our Price: $79.38

Save: $79.38!
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8-15/16” x 28-3/16”

SpiroPure SP-PS-0017 Made in USA
  • 5 Stars
  • (1)

Unicel C-9450 Compatible Filter

List Price: $141.38

Our Price: $70.69

Save: $70.69!
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10” x 23-1/8”

SpiroPure SP-PS-0018 Made in USA

Unicel C-9489 Compatible Filter

List Price: $156.97

Our Price: $78.49

Save: $78.48!
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10” x 23-1/8”

SpiroPure SP-PS-0151 Made in USA

Unicel 4CH-50 Compatible Filter

List Price: $63.51

Our Price: $31.75

Save: $31.76!
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4-5/8” x 14-3/4”

SpiroPure SP-PS-0195M Made in USA

Unicel 5CH-502RA / 5CH-502AM Antimicrobial Compatible Filter

List Price: $70.02

Our Price: $35.01

Save: $35.01!
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Microban Antimicrobial Media

5-3/16” x 12-1/2”

Filbur FC-0172
  • 5 Stars
  • (10)

Unicel 4CH-949 / 4CH-949RA Compatible Filter

List Price: $59.62

Our Price: $28.53

Save: $31.09!
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4-15/16" x 13-1/2"

Filbur FC-0303

Unicel 5CH-203 Compatible Filter

List Price: $61.52

Our Price: $29.44

Save: $32.08!
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5-1/16" x 8-1/2"

Filbur FC-0686
  • 5 Stars
  • (23)

Unicel C-9410 / C-9410RA Compatible Filter

List Price: $118.72

Our Price: $56.81

Save: $61.91!
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10-1/16" x 23-5/8"

Filbur FC-0687
  • 5 Stars
  • (77)

Unicel C-9415 / C-9415RA Compatible Filter

List Price: $127.14

Our Price: $60.84

Save: $66.30!
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10-1/16" x 31-1/8"

Filbur FC-0688
  • 5 Stars
  • (45)

Unicel C-9419 / C-9419RA Compatible Filter

List Price: $137.02

Our Price: $65.57

Save: $71.45!
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10-1/16" x 31-1/8"

Filbur FC-1286
  • 5 Stars
  • (42)

Unicel C-8316 / C-8416 Compatible Filter

List Price: $119.14

Our Price: $57.01

Save: $62.13!
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8-15/16" x 23-1/4"

Filbur FC-1293
  • 5 Stars
  • (54)

Unicel C-8412 / C-8412RA Compatible Filter

List Price: $109.52

Our Price: $52.41

Save: $57.11!
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8-15/16" x 23-3/8"

Filbur FC-1294
  • 5 Stars
  • (16)

Unicel C-8417 / C-8417RA Compatible Filter

List Price: $133.20

Our Price: $63.74

Save: $69.46!
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8-15/16" x 28-3/16"

Filbur FC-2350
  • 5 Stars
  • (2)

Unicel C-2613 Compatible Filter

List Price: $4.86

Our Price: $2.32

Save: $2.54!
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2-7/8" x 29-1/4"

Filbur FC-2570
  • 5 Stars
  • (5)

Unicel UHD-SR137 / UHD-SR137RA Compatible Filter

List Price: $59.70

Our Price: $28.57

Save: $31.13!
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8-11/16" x 31-1/4"

Filbur FC-2780
  • 5 Stars
  • (35)

Unicel C-8326 / C-8326RA Compatible Filter

List Price: $108.66

Our Price: $52.00

Save: $56.66!
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8-1/2" x 19"

Filbur FC-3060
  • 5 Stars
  • (15)

Unicel T-380 / C-2606 Compatible Filter

List Price: $8.44

Our Price: $4.04

Save: $4.40!
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2-3/4" x 9-3/4"

Filbur FC-6110
  • 5 Stars
  • (1)

Unicel C-7685 Compatible Filter

List Price: $37.32

Our Price: $17.86

Save: $19.46!
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7-3/4" x 19-1/2"

SpiroPure SP-PS-6CH
  • 5 Stars
  • (3)

Unicel 6CH-352 Compatible Filter

List Price: $37.10

Our Price: $17.76

Save: $19.34!
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6" x 7"

Filbur FC-6470
  • 5 Stars
  • (25)

Unicel C-7471 / C-7471RA Compatible Filter

List Price: $74.60

Our Price: $35.70

Save: $38.90!
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7" x 26-1/16"

Filbur FC-6425
  • 5 Stars
  • (54)

Unicel C-7483 Compatible Filter

List Price: $64.08

Our Price: $30.67

Save: $33.41!
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7" x 19-5/8"

Filbur FC-6440
  • 5 Stars
  • (31)

Unicel C-7477 / C-7477RA Compatible Filter

List Price: $61.36

Our Price: $29.37

Save: $31.99!
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Replace every 12-18 months

7” x 19-5/8”

Filbur FC-6435
  • 5 Stars
  • (28)

Unicel C-7494 Compatible Filter

List Price: $93.52

Our Price: $44.76

Save: $48.76!
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Replace every 12-18 months

7" x 32-7/8"

Filbur FC-6455
  • 5 Stars
  • (15)

Unicel C-7490 / C-7490-4 / C-7490RA Compatible Filter

List Price: $96.02

Our Price: $45.95

Save: $50.07!
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Replace every 12-18 months

7" x 32-7/8"

Filbur FC-1976
  • 5 Stars
  • (28)

Unicel C-7470 / C-7470RA Compatible Filter

List Price: $64.22

Our Price: $30.74

Save: $33.48!
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Replace every 12-18 months

7" x 20"

Filbur FC-1978
  • 5 Stars
  • (51)

Unicel C-7472 / C-7472RA Compatible Filter

List Price: $91.68

Our Price: $43.87

Save: $47.81!
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Replace every 12-18 months

7" x 32-1/16"

Filbur FC-0820
  • 5 Stars
  • (13)

Unicel C-7482 / C-7482RA / C-7482-4 Compatible Filter

List Price: $94.42

Our Price: $45.19

Save: $49.23!
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Replace every 12-18 months

7" x 33"

Unicel Hot Tub Filters: A Must-Have for Your Spa’s Longevity

Unicel hot tub filters play a critical role in maintaining water quality and extending the life of your spa system. These cartridge filters trap debris, oils, lotions, and dirt before they can accumulate in plumbing lines or damage pump components. Clean, properly functioning filters reduce strain on your hot tub's circulation system, lowering energy costs and preventing costly repairs. Regular filter replacement ensures optimal water flow and clarity while protecting your investment. SpiroPure's line of Unicel-compatible filters offer the same performance as OEM cartridges you count on thanks to identical dimensions and filtration specifications.

Benefits of Using Unicel Pool Filters

Unicel-compatible pool filters by SpiroPure provide exceptional water clarity through high-efficiency pleated media that captures small particles and dirt in your pool. The large surface area allows for extended filter cycles, maintains consistent water flow rates, and ensures your system operates efficiently without excess energy consumption. Unicel-compatible cartridges can be gently washed to clean out built up dirt and debris and extend the filter's lifespan. Our SpiroPure replacements bring the best of Unicel's proven cartridge design to deliver reliable filtration performance, but at a fraction of OEM cost.

FAQs on Unicel Pool Filter

What is the difference between Unicel pool filters and other pool filters?

The big difference is cost. Unicel filters are designed with specific dimensions, pleat counts, and end cap configurations. While Unicel's is a prominent brand offering replacement filters, SpiroPure pool and spa filters match the original physical dimensions and filtration performance, but can cost up to 30–50% less.
Replace your Unicel-compatible filter cartridge every 12–24 months under normal use, though heavy usage, pool chemical imbalances, or high debris levels may require more frequent replacement. Regular replacement ensures optimal water quality and extends the life of your pool or hot tub.
Yes, you should be able to use Unicel-compatible cartridge filters from SpiroPure in your hot tub, as long as the filter matches the required dimensions and specifications for your specific model. Our SpiroPure replacement filters clearly indicate which Unicel part numbers they replace, making it easy to find the right compatible filter.
Yes, replacing Unicel-compatible filter cartridges is a straightforward DIY task that most hot tub owners can complete in minutes. Turn off your pump and relieve system pressure. Remove the old cartridge and clean out any debris from the housing. Insert the new SpiroPure replacement cartridge, ensuring proper alignment with the housing, and close the housing.
Unicel-compatible filters by SpiroPure maintain water clarity by trapping debris, oils, body lotions, and microscopic particles that cause cloudy water. The pleated filter media provides large surface area for capturing sediment and other debris while allowing proper water flow through the system.