Hot Tub Spa Filters | FInd By Size

Step 1: Select Your Cartridge Type
Step 2: Select Diameter Range
Step 3: Select Length Range
Measuring tips: tape measure showing fractional increments

Measure Old Filter to Find Replacement Fast

  • Diameter (edge-to-edge width)
  • Length (cap-to-cap - exclude handles/fittings)
Measuring spa filter cartridge diameter & length
  • Round to nearest ⅛”
  • Minor variances are OK

Measure Hole Opening or Fitting

Measuring spa filter cartridge openings
Measuring spa filter cartridge fittings
Clarathon FC-3027 Spa Filter PH3.7B C-2304
FC3027
Clarathon Filter for Rainbow-Pentair/Sta-Rite FC3060
Clarathon FC-3060 Spa Filter for Rainbow/Pentair PH6 C-2306 24101-19
FC3060
Clarathon FC-2320 Spa Filter PRB14.5 C-2302
FC2320
Clarathon Filter FC2324
Clarathon FC-2324 Spa Filter PRB8.5 C-2303
FC2324
Clarathon FC2812 premium ultra filter
Clarathon 6540-502 Microclean Disposable Spa Filter for Sundance/Sweetwater PPS750
FC2812
Clarathon Filter FC2385
Clarathon FC-2385 Spa Filter PRB35-IN C-4335
FC2385
Clarathon Threaded Filter FC0312
Clarathon FC-0312 Spa Filter for Artesian/Tropic Seas 06-0055-12
FC0312
Clarathon Filter for Limelight/Watkins Spas FC3921
Clarathon FC-3921 Spa Filter for Hot Spring/Watkins PWK35B 78161
FC3921
Clarathon Threaded Filter FC0170
Clarathon FC-0170 Spa Filter PWW35L 4CH-935
FC0170
Clarathon Filter FC2375
Clarathon FC-2375 Spa Filter PRB25-IN C-4326
FC2375
Clarathon Filter for Dream Maker/Aquarest FC9944
Clarathon PDM28 Spa Filter for Dream Maker/Aquarest 461273
FC9944
Clarathon FC2772 spa filter
Clarathon FC-2772 Spa Filter for Sundance Spas Microclean Ultra 6541-397
FC2772
Clarathon Threaded Filter for Sundance/Sweetwater FC2810
Clarathon FC-2810 Spa Filter for Sundance/Sweetwater PSD85-2002 C-8380 6540-501
FC2810
Clarathon Filter for Sundance/Sweetwater FC2780
Clarathon FC-2780 Spa Filter for Sundance/Sweetwater PSD125-2000 C-8326 6540-488
FC2780
Clarathon Threaded Filter FC0195
Clarathon FC-0195 Spa Filter for Cal Spas/Marquis PPM50SC-F2M 5CH-502
FC0195
Clarathon Filter FC2370
Clarathon FC-2370 Spa Filter FC-2370 PRB25-IN-4 C-4625
FC2370
Clarathon Threaded Filter for Jacuzzi/Del Sol Spas FC2715
Clarathon FC-2715 Spa Filter for Jacuzzi PJW60TL-OTF2S 6CH-961 6540-383
FC2715
Clarathon threaded hot tub filter cartridge FC0300
Clarathon FC-0300 Spa Filter PAS35P4 5CH-35
FC0300
Clarathon FC-1001M Microban Spa Filter for Master Spas PMA10-M C-3310AM X268056
FC1001M
Clarathon 10-00282 Microban Coreless Spa Filter for Bullfrog Spas PBF40-M
FC9960M
Clarathon FC2811 spa filter
Clarathon FC-2811 Spa Filter for Jacuzzi/Tuff Spas PJW40SC-F2M 5CH-402 6540-723
FC2811
Dream Maker PDM30 Oval Filter FC9940
Clarathon PDM30 Spa Filter for DreamMaker Oval 461269 461272
FC9940
Clarathon Threaded Filter for Master Spas FC0418
Clarathon FC-0418 Spa Filter for Master Spas PMA40-F2M X268080
FC0418
Clarathon Threaded Filter FC0196
Clarathon FC-0196 Spa Filter PPM35SC-F2M 5CH-352
FC0196
Clarathon Filter FC3964
Clarathon FC-3964 Spa Filter PCD75N C-7375 73531
FC3964
Clarathon Filter Twin-Pack FC2387
Clarathon FC-2387 Spa Filter Twin-Pack PRB25SF-PAIR C-4405
FC2387
Clarathon FC-0131 Spa Filter PGS25P4 4CH-24
FC0131
Clarathon Filter for Caldera/Hot Spot FC3963
Clarathon FC-3963 Spa Filter for Caldera/Hot Spot PCD50N C-7350 15051
FC3963
Clarathon Threaded Filter FC2401
Clarathon FC-2401 Spa Filter PFF50P4 5CH-45
FC2401
Clarathon FC-0168 Spa Filter PWW25L 4CH-926
FC0168
Clarathon FC-2800 Spa Filter for Jacuzzi PJW60TL-F2S 6CH-960 6000-383
FC2800
Clarathon threaded hot tub filter cartridge FC0202
Clarathon FC-0202 Spa Filter for Cal Spas/Marquis PCAL60-F2M 5CH-752
FC0202
Clarathon Filter FC2390M
Clarathon FC-2390 Spa Filter PRB50-IN C-4950
FC2390
Clarathon Filter FC2971
Clarathon FC-2971 Spa Filter PLBS75 C-5374
FC2971
Clarathon Type VI Spa Filter Twin-Pack for Coleman/SaluSpa 90352E 58323 58239
FC9957
Clarathon Threaded Filter for Maax/Vita FC9958
Clarathon 108868 Spa Filter for Maax/Vita PMAX25P4 5CH-25
FC9958
Clarathon Filter FC3320
Clarathon FC-3320 Spa Filter for Coleman/Maax PCS75N C-8475 100594
FC3320
Clarathon Threaded Filter for Advanced Spa Design/LA Spas FC0303
Clarathon FC-0303 Spa Filter for Advanced Spa Design/LA Spas PLAS35 5CH-203
FC0303
Clarathon Filter FC2387.5
Clarathon FC-2387.5 Spa Filter PRB25SF
FC2387.5
Clarathon Threaded Filter for Bullfrog Spas FC0536
Clarathon FC-0536 Spa Filter for Bullfrog Spas PBF35 8CH-950 10-2785
FC0536
Clarathon FC-0126 Spa Filter PSANT20P3 4CH-925
FC0126
Clarathon Filter FC2970
Clarathon FC-2970 Spa Filter PLBS50 C-5345
FC2970
Clarathon FC-2400 Spa Filter PFF25TC-P4 4CH-23
FC2400
Clarathon Filter for Caldera Spas FC3965
Clarathon FC-3965 Spa Filter for Caldera Spas PCD100W C-8399 73722
FC3965
Clarathon Threaded Filter FC0310
Clarathon FC-0310 Spa Filter PTL25W-SV-P4-4 6CH-26
FC0310
Clarathon threaded hot tub filter cartridge FC0172
Clarathon FC-0172 Spa Filter PWW50L 4CH-949
FC0172
Clarathon Filter for Dimension One/@Home FC3059
Clarathon FC-3059 Spa Filter for Dimension One PDO75-2000 C-7367 1561-00
FC3059
Clarathon Threaded Filter for Jacuzzi/Sundance FC2781
Clarathon FC-2781 Spa Filter for Jacuzzi/Sundance PSD95 8CH-102 2540-381
FC2781
Clarathon Filter FC1425
Clarathon FC-1425 Spa Filter PJ25-IN-4 C-5625
FC1425
Clarathon Filter FC2930
Clarathon FC-2930 Spa Filter PCAL75 C-4970
FC2930
Clarathon Threaded Filter for Gulf Coast FC0356
Clarathon FC-0356 Spa Filter PWW25P3 6CH-925
FC0356
Clarathon Filter for Sundance/Sweetwater FC2760
Clarathon FC-2760 Spa Filter for Sundance/Sweetwater PSD75 C-7370 6540-483
FC2760
Clarathon FC-3077 Spa Filter PWW10 C-4310
FC3077
Clarathon Filter for Softub FC9900
Clarathon 5020 Spa Filter for Softub 2009+ 2003905
FC9900
Clarathon Threaded Filter for Sunrise/Viking Spas FC0314
Clarathon FC-0314 Spa Filter for Sunrise/Viking Spas PPG50P4 6CH-49
FC0314
Clarathon spa filter for Master Spas FC1007
Clarathon FC-1007 Spa Filter for Master Spas PMA45-2004-R C-8341 X268330
FC1007
Clarathon Threaded Filter for Master Spas FC0317
Clarathon FC-0317 Spa Filter for Master Spas PMA40L-F2M X268365
FC0317
Clarathon Threaded Filter FC0140
Clarathon FC-0140 Spa Filter PMA20-F2M
FC0140
Clarathon FC-2402 Spa Filter PFF42TC-P4 5CH-37 303279
FC2402
Clarathon FC2769 spa filter
Clarathon 6473-164 Microclean Disposable Spa Filter for Sundance
FC2769
Clarathon Filter FC2940
Clarathon FC-2940 Spa Filter PCAL100 C-4995
FC2940
Clarathon Filter FC1437
Clarathon FC-1437 Spa Filter PJ37-IN-4 C-5635
FC1437
Clarathon Filter FC3638
Clarathon FC-3638 Spa Filter for Marquis PPM50TC C-5346 37-0217
FC3638
Clarathon Threaded Filter for DM/Maax/Vita FC3052
Clarathon FC-3052 Spa Filter for Maax/Vita Spas PVT50WH-F2L 8CH-502
FC3052
Clarathon Filter FC3310
Clarathon FC-3310 Spa Filter for Coleman/Maax PCS50N C-8450 100593
FC3310
Clarathon Filter for Jacuzzi FC2764
Clarathon FC-2764 Spa Filter for Jacuzzi 6473-157
FC2764
Clarathon Filter FC1330
Clarathon FC-1330 Spa Filter PJW23 C-5601
FC1330
Clarathon Filter for Coast/Northwind Spas FC2975
Clarathon FC-2975 Spa Filter for Coast/Northwind Spas PCST80 C-5396 19932
FC2975
Clarathon FC-2399 Spa Filter PFF25P4 4CH-22
FC2399
Clarathon 006541 Disposable Spa Micro Filter for Arctic/Coyote Spas 2009+ PRT-900003
FC9954
Clarathon Threaded Filter FC0419
Clarathon FC-0419 Spa Filter PAS35-2
FC0419
Clarathon Micro Filter for Jacuzzi Proclarity FC2767
Clarathon 6473-161 Depth Load Microclean Spa Filter for Jacuzzi Proclarity
FC2767
Clarathon Threaded Filter FC0315
Clarathon FC-0315 Spa Filter PTL47W-P4 6CH-47
FC0315
Clarathon FC-0151 Spa Filter PTL50P4-4 4CH-50
FC0151
Clarathon Threaded Filter FC0420
Clarathon FC-0420 Spa Filter PAS35-F2M 7CH-322
FC0420
Clarathon Filter FC2972
Clarathon FC-2972 Spa Filter PLBS100 C-5397
FC2972