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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

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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
    $69.99 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-1234 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 1722849, 172887 & R173318

    Fits the Pentair / Pac Fab Seahorse 500 Learn More
    $111.74 Retail Price:  $130.80
  6. 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
  7. 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
  8. 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
    $37.89 Retail Price:  $52.27
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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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