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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.

14 Item(s)

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  1. WP-5 Pentek Replacement Filter Cartridge

    WP-5 Pentek Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $7.99 Retail Price:  $8.84
  2. WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $35.99 Retail Price:  $42.54
  3. WS-10 Pentek Water Softening Filter

    WS-10 Pentek Water Softening Filter

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $20.99 Retail Price:  $24.83
  4. WS-20 Pentek Water Softening Filter

    WS-20 Pentek Water Softening Filter

    Fits most standard housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $26.99 Retail Price:  $35.64
  5. Tier1 brand replacement for CX500-RE, R173409 & 27-079 (front)

    Tier1 brand replacement for CX500-RE, R173409 & 27-079

    Fits the Hayward Star-Clear C500, Pentair Purex CF-50 and American Commander 50 Learn More
    $35.99 Retail Price:  $50.27
  6. Tier1 brand replacement for R173215 & 59054200 (front)

    Tier1 brand replacement for R173215 & 59054200

    Fits the Predator 100 - Pentair Clean & Clear 100 Learn More
    $73.99 Retail Price:  $75.89
  7. Tier1 brand replacement for R173213, 59054000 & 1561-26 (front)

    Tier1 brand replacement for R173213, 59054000 & 1561-26

    Fits the Predator 50 - Pentair Clean & Clear 50 Learn More
    $42.70 Retail Price:  $51.41
  8. Tier1 brand replacement for 817-0131, 178584 & R173476 (front)

    Tier1 brand replacement for 817-0131, 178584 & R173476

    Fits the Pentair Clean & Clear Plus 420 and Waterway Crystal Water Learn More
    $61.99 Retail Price:  $73.59
  9. Tier1 brand replacement for 817-0143, 178585 & R173578 (front)

    Tier1 brand replacement for 817-0143, 178585 & R173578

    Fits the Pentair Clean & Clear Plus 520, Waterway Crystal Water, and Pac Fab Learn More
    $83.99 Retail Price:  $88.54
  10. Tier1 brand replacement for 178569 & R173572 (front)

    Tier1 brand replacement for 178569 & R173572

    Fits the Pentair Clean & Clear Plus 240 and American Quantum Learn More
    $49.27 Retail Price:  $58.96
  11. Tier1 brand replacement for 817-0081, 178580 & R173573 (front)

    Tier1 brand replacement for 817-0081, 178580 & R173573

    Fits the Pentair Clean & Clear Plus 320, Quantum CM/RPM 360, Quantum CM/RPM 90 and Waterway Crystal Water 325 Learn More
    $50.99 Retail Price:  $60.94
  12. 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
  13. 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
  14. RFFE20-BB Pentek Iron Reducing Water Filter Cartridge

    RFFE20-BB Pentek Iron Reducing Water Filter Cartridge (20 in x 4.5 in)

    Built to fit into 20-inch Big Blue water filtration systems Learn More
    $75.99 Retail Price:  $90.84

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