Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

11 Item(s)

Grid  List 

Set Descending Direction
  1. 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
    $28.99 MSRP:  $50.27
  2. Tier1 brand replacement for R173215 & 59054200 (front)

    Tier1 brand replacement for R173215 & 59054200

    Fits the Predator 100 - Pentair Clean & Clear 100 Learn More
    $53.99 MSRP:  $75.89
  3. Tier1 brand replacement for R173213, 59054000 & 1561-26

    Tier1 brand replacement for R173213, 59054000 & 1561-26

    Fits the Predator 50 - Pentair Clean & Clear 50 Learn More
    $29.99 MSRP:  $51.41
  4. 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
    $51.99 MSRP:  $73.59
  5. 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
    $67.99 MSRP:  $88.54
  6. 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
    $31.99 MSRP:  $58.96
  7. 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
    $48.99 MSRP:  $60.94
  8. 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
    $59.99 MSRP:  $79.90
  9. 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
    $37.99 MSRP:  $52.27
  10. 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
    $6.99 MSRP:  $8.84
  11. Pentek WS-10 Water Softening Water Filter

    Pentek WS-10 Water Softening Filter

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More

    As Low As $19.66 Per Filter

11 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top