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

7 Item(s)

Grid  List 

Set Descending Direction
  • Tier1 brand replacement for 136629 (front)

    Tier1 brand replacement for 136629

    $7.95
    MSRP: $8.20
    Save 3%
  • Pleatco PH3-4 Pool and Spa Replacement Filter

    Pleatco PH3-4 Pool and Spa Replacement Filter

    $4.86
    MSRP: $7.89
    Save 38%
  • Pleatco PH3-4-PAIR Pool and Spa Replacement Filter (2-pack)
  • Pleatco PH5.9-4 Pool and Spa Replacement Filter

    Pleatco PH5.9-4 Pool and Spa Replacement Filter

    $5.90
    MSRP: $9.09
    Save 35%
  • Pleatco PH6-4 Pool and Spa Replacement Filter
  • Pleatco PSB3.5 Replacement Pool and Spa Filter

7 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top