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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.

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  1. Tier1 brand replacement for 17-2812, 17-4985 & 32050204 (front)

    Tier1 brand replacement for 17-2812, 17-4985 & 32050204

    Fits Pentair / Pac Fab Mytilus B 100 GPM MA-100/160, Mitlus FMY 100, Mytilus 100 GPM MY 100, Mitra 100 GPM MA-100-160 and Wet Institute Modufilter M-330 Learn More
    $67.48 Retail Price:  $79.90
  2. PAS-1231 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2812, 17-4985 & 32050204

    Fits the Pentair / Pac Fab Mytilus B 100 GPM MA-100/160, Mitlus FMY 100, Mytilus 100 GPM MY 100, Mitra 100 GPM MA-100-160 and Wet Institute Modufilter M-330 (3 required) Learn More
  3. PAS-1232 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2812, 17-4985 & 32050204 (Antimicrobial)

    Fits the Pentair / Pac Fab Mytilus B 100 GPM MA-100/160, Mitlus FMY 100, Mytilus 100 GPM MY 100, Mitra 100 GPM MA-100-160 and Wet Institute Modufilter M-330 (3 required) Learn More
    $75.14 Retail Price:  $88.71
  4. PAS-1233 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 1722841 & R173316

    Fits the Pentair / Pac Fab Seahorse 400 Learn More
    $91.37 Retail Price:  $107.38
  5. PAS-1235 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-4980

    Fits the Pentair / Pac Fab My 150, GPM Pac-Fab and Mytilus FMY150 Learn More
    $84.23 Retail Price:  $99.16
  6. PAS-1236 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-4981 & R173297

    Fits the Pentair / Pac Fab Mytilus FMY 50 Learn More
    $38.77 Retail Price:  $46.89
  7. Tier1 brand replacement for 17-2810, 17-4983, 17-4985, 32050203 & R173298 (front)

    Tier1 brand replacement for 17-2810, 17-4983, 17-4985, 32050203 & R173298

    Fits Pentair Mytilus-B 60 GPM MY 60, Pac Fab MY 120, Mitra 60 GPM MA-60/160, Mytilus 60 60 GPM MY 60, Mytilus-B 140 GPM MY 140 (2 filters required) and Wet Institute Modufilter M-180 Learn More
    $43.45 Retail Price:  $52.27
  8. PAS-1238 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2810, 17-4983, 17-4985, 32050203 & R173298

    Fits the Pentair / Pac Fab Mytilus-B 60 GPM MY 60, Mitra 60 GPM MA-60/160, Mytilus 60 60 GPM MY 60, Mytilus-B 140 GPM MY 140 (2 required) and Wet Institute Modufilter M-180 (3-required) Learn More
  9. PAS-1239 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2810, 17-4983, 17-4985, 32050203 & R173298 (Antimicrobial)

    Fits the Pentair / Pac Fab Mytilus-B 60 GPM MY 60, Mitra 60 GPM MA-60/160, Mytilus 60 60 GPM MY 60, Mytilus-B 140 GPM MY 140 (2 required) and Wet Institute Modufilter M-180 (3-required) Learn More
    $56.20 Retail Price:  $66.93
  10. PAS-1240 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 1722840, 172877 & R173316

    Fits the Pentair / Pac Fab Seahorse 75; 300 (4 required) and Sea Horse FSH-300 Learn More
    $71.87 Retail Price:  $84.95
  11. PAS-1241 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2811, 17-4984 & R173299

    Fits the Pentair / Pac Fab Mytilus 80 80 GPM MY 80, Mitra 80 GPM MA-80, Mytilus-B GPM MY 80 and Mytilus FMY 80 Learn More
    $58.85 Retail Price:  $69.98
  12. PAS-1242 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2811, 17-4984 & R173299 (Antimicrobial)

    Fits the Pentair / Pac Fab Mytilus 80 80 GPM MY 80, Mitra 80 GPM MA-80, Mytilus-B GPM MY 80 and Mytilus FMY 80 Learn More
    $67.94 Retail Price:  $80.43
  13. PAS-1266 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 24101-19, 17-2006 & R173321

    Fits systems that use 2 3/4-inch diameter by 9 3/4-inch length filters Learn More
    $12.62 Retail Price:  $16.81
  14. PAS-1268 Tier1 Replacement Pool and Spa Filter (7-Pack)

    Tier1 brand replacement for 24101-19, 17-2006 & R173321 (Antimicrobial) (7-Pack)

    Fits systems that use 2 3/4-inch diameter by 9 3/4-inch length filters Learn More
    $36.76 Retail Price:  $44.57

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