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Pool Filters & Spa Filters

Your pool and spa should be for you, not for bacteria. Be sure to replace your old pool filter to keep your Jacuzzi and swimming pool clean. Discount Filter Store carries an expansive line of replacement pool filters and spa filters from industry leading brands like Tier1. With antimicrobial pool filters, you can swim with confidence knowing that no harmful microbes are swimming with you. Enjoy your summer with clean water.

Not sure which filter you need? Speak with one of our filter experts at 1-800-277-3458, and we’ll answer your filter questions to help you find the best product for you.

Items 1 to 25 of 38 total

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  1. Pleatco PAS35P4 Replacement Pool and Spa Filter

    Pleatco PAS35P4 replacement filter for systems that use 5 7/8-inch diameter by 7 3/4-inch length filters

    Fits systems that use 5 7/8-inch diameter by 7 3/4-inch length filters Learn More
    $25.30 Retail Price:  $31.40
  2. Pleatco PAT25P4 replacement filter for systems that use 6-inch diameter by 7 1/8-inch length filters

    Pleatco PAT25P4 replacement filter for systems that use 6-inch diameter by 7 1/8-inch length filters

    Fits systems that use 5 15/16-inch diameter by 7 1/8-inch length filters Learn More
    $25.71 Retail Price:  $31.87
  3. Pleatco PD20SL-4 Replacement Pool and Spa Filter

    Pleatco PD20SL-4 Pool and Spa Filter Replacement

    Fits the Doughboy 20 Learn More
    $29.15 Retail Price:  $35.82
  4. PAS-1215 Tier1 Replacement Pool and Spa Filter (alternate)

    Tier1 brand replacement filter for systems that use 4 3/4-inch diameter by 8 1/8-inch length filters

    Fits DreamMaker-1215 and systems that use 4 3/4-inch diameter by 8 1/8-inch length filters Learn More
    $23.99 Retail Price:  $24.20
  5. PAS-1216 Tier1 Replacement Pool and Spa Filter (alternate)

    Tier1 brand replacement filter for systems that use 4 3/4-inch diameter by 8 1/8-inch length filters

    Fits systems that use 4 3/4-inch diameter by 8 1/8-inch length filters Learn More
    $25.99 Retail Price:  $27.59
  6. PAS-1217 Tier1 Replacement Pool and Spa Filter (alternate)

    Tier1 brand replacement filter for systems that use 4 3/4-inch diameter by 8 1/8-inch length filters (Antimicrobial)

    Fits systems that use 4 3/4-inch diameter by 8 1/8-inch length filters Learn More
    $27.99 Retail Price:  $32.27
  7. Tier1 brand replacement for FF-100 & Claro (front)

    Tier1 brand replacement for FF-100 & Claro

    Fits the Freeflow Lagas, TLX and RLX Learn More
    $20.89 Retail Price:  $23.17
  8. Tier1 brand replacement filter for systems that use 5-inch diameter by 6 5/8-inch length filters (front)

    Tier1 brand replacement filter for systems that use 5-inch diameter by 6 5/8-inch length filters

    Fits the Freeflow Lagas and CLX Learn More
    $22.89 Retail Price:  $25.77
  9. Pleatco PHC25P4 Pool and Spa Replacement Filter

    Pleatco PHC25P4 Pool and Spa Replacement Filter

    Fits systems that use 4 5/8-inch diameter by 6 5/8-inch length filters Learn More
    $23.56 Retail Price:  $29.39
  10. Pleatco PLW25-4 Replacement Pool and Spa Filter
  11. Pleatco PLW25P-4 Replacement Pool and Spa Filter
  12. PAS-1366 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 6 1/2-inch diameter by 8-inch length filters

    Fits the Master Spas PMA-PROPAK2-M Learn More
    $22.99 Retail Price:  $27.22
  13. Pleatco PMA30-2002-R Replacement Pool and Spa Filter

    Pleatco PMA30-2002-R replacement filter for systems that use 7-inch diameter by 7 1/4-inch length filters

    Fits the Master Spas EP-Cylinder (old style) Learn More
    $25.69 Retail Price:  $31.84
  14. Pleatco PMA30SK-M Replacement Pool and Spa Filter
  15. Pleatco PMAG25 replacement filter for systems that use 5-inch diameter by 8 3/4-inch length filters

    Pleatco PMAG25 replacement filter for systems that use 5-inch diameter by 8 3/4-inch length filters

    Fits the Kiwi Pools Spa International and 25SF Learn More
    $23.43 Retail Price:  $29.24
  16. PAS-1382 Tier1 Replacement Pool and Spa Filter (alternate)

    Tier1 brand replacement filter for systems that use 5 3/4-inch diameter by 8 7/16-inch length filters

    Fits systems that use 5 3/4-inch diameter by 8 7/16-inch length filters and Maxx Spas of Canada Learn More
    $26.99 Retail Price:  $28.39
  17. Pleatco PMAX50P3 replacement filter for systems that use 5 3/4-inch diameter by 8 7/16-inch length filters

    Pleatco PMAX50P3 replacement filter for systems that use 5 3/4-inch diameter by 8 7/16-inch length filters

    Fits systems that use 5 3/4-inch diameter by 8 7/16-inch length filters Learn More
    $29.99 Retail Price:  $31.65
  18. Pleatco PMAX50P4 replacement filter for systems that use 5 3/4-inch diameter by 8 7/16-inch length filters

    Pleatco PMAX50P4 replacement filter for systems that use 5 3/4-inch diameter by 8 7/16-inch length filters

    Fits systems that use 5 3/4-inch diameter by 8 7/16-inch length filters Learn More
    $25.52 Retail Price:  $31.65
  19. Pleatco PMS20-4 replacement for A3821, FD-20, FD-40 & FE-20

    Pleatco PMS20-4 replacement for A3821, FD-20, FD-40 & FE-20

    Fits the Muskin 20 Learn More
    $22.44 Retail Price:  $28.11
  20. Pleatco PPG50P4 Replacement Pool and Spa Filter

    Pleatco PPG50P4 replacement filter for systems that use 6-inch diameter by 8-inch length filters

    Fits systems that use 6-inch diameter by 8-inch length filters Learn More
    $29.99 Retail Price:  $35.03
  21. Pleatco PSG25 Replacement Pool and Spa Filter

    Pleatco PSG25 Replacement Pool and Spa Filter

    Fits systems that use 4 3/4-inch diameter by 6 1/2-inch length filters Learn More
    $23.99 Retail Price:  $26.99
  22. Pleatco PSG25P4  Replacement Pool and Spa Filter

    Pleatco PSG25P4 Replacement Pool and Spa Filter

    Fits systems that use 4 3/4-inch diameter by 6 1/2-inch length filters Learn More
    $22.69 Retail Price:  $28.39
  23. Pleatco PSN25P4 Replacement Pool and Spa Filter

    Pleatco PSN25P4 replacement filter for systems that use 6-inch diameter by 6-inch length filters

    Fits systems that use 6-inch diameter by 6-inch length filters Learn More
    $25.63 Retail Price:  $31.77
  24. Pleatco PSN50SV-P4 Replacement Pool and Spa Filter

    Pleatco PSN50SV-P4 replacement filter for systems that use 7-inch diameter by 6-inch length filters

    Fits systems that use 7-inch diameter by 6-inch length filters Learn More
    $27.97 Retail Price:  $34.47
  25. Pleatco PTL18P4-4 Replacement Pool and Spa Filter

    Pleatco PTL18P4-4 Replacement Pool and Spa Filter

    Fits systems that use 4 5/8-inch diameter by 8-inch length filters Learn More
    $21.99 Retail Price:  $25.55

Items 1 to 25 of 38 total

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