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

Items 1 to 48 of 227 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  • 3M Filtrete 600 Dust and Pollen Filter - 12x12x1 (6-Pack)
  • 3M Filtrete 600 Dust and Pollen Filter - 12x20x1 (6-Pack)
  • 3M Filtrete 600 Dust and Pollen Filter - 12x24x1 (6-Pack)
  • 3M Filtrete 600 Dust and Pollen Filter - 14x14x1 (6-Pack)
  • 3M Filtrete 600 Dust and Pollen Filter - 14x20x1 (6-Pack)
  • 3M Filtrete 600 Dust and Pollen Filter - 14x24x1 (6-Pack)
  • 3M Filtrete 600 Dust and Pollen Filter - 14x25x1 (6-Pack)
  • 3M Filtrete 600 Dust and Pollen Filter - 14x30x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 15x20x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 16x20x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 16x25x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 16x30x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 18x18x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 18x24x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 20x20x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 20x25x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 20x30x1 (6-Pack)
  • Filtrete 600 Dust and Pollen Filter - 25x25x1 (6-Pack)
  • Filtrete 600 Dust Reduction Clean Living Filter - 10x20x1 (6-Pack)
  • Tier1 600 Air Filter - 10x10x1 (6-Pack)

    10x10x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $35.99
    MSRP: $38.34
    Save 6%
  • Tier1 600 Air Filter - 10x14x1 (6-Pack)

    10x14x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $41.99
    MSRP: $44.34
    Save 5%
  • Tier1 600 Air Filter - 10x16x1 (6-Pack)
  • Tier1 600 Air Filter - 10x18x1 (6-Pack)
  • Tier1 600 Air Filter - 10x20x1 (6-Pack)

    10x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $34.99
    MSRP: $37.34
    Save 6%
  • Tier1 600 Air Filter - 10x24x1 (6-Pack)

    10x24x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $45.99
    MSRP: $48.34
    Save 5%
  • Tier1 600 Air Filter - 12x24x1 (6-Pack)

    12x24x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $35.99
    MSRP: $38.34
    Save 6%
  • Tier1 600 Air Filter - 12x36x1 (6-Pack)

    12x36x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $59.99
    MSRP: $62.34
    Save 4%
  • Tier1 600 Air Filter - 12-1/8 x 15 x 1 (6-Pack)

    12x15x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $48.99
    MSRP: $51.34
    Save 5%
  • Tier1 600 Air Filter - 12-1/2 x 24-1/2 x 1 (6-Pack)
  • Tier1 600 Air Filter - 14x16x1 (6-Pack)

    14x16x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $58.99
    MSRP: $61.34
    Save 4%
  • Tier1 600 Air Filter - 14x18x1 (6-Pack)

    14x18x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $47.99
    MSRP: $50.34
    Save 5%
  • Tier1 600 Air Filter - 14x22x1 (6-Pack)

    14x22x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $47.99
    MSRP: $50.34
    Save 5%
  • Tier1 600 Air Filter - 14x36x1 (6-Pack)

    14x36x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $69.99
    MSRP: $72.34
    Save 3%
  • Tier1 600 Air Filter - 15x36x1 (6-Pack)
  • Tier1 600 Air Filter - 16x18x1 (6-Pack)

    16x18x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $69.99
    MSRP: $72.34
    Save 3%
  • Tier1 600 Air Filter - 16x21x1 (6-Pack)

    16x21x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $52.99
    MSRP: $55.34
    Save 4%
  • Tier1 600 Air Filter - 16x22x1 (6-Pack)

    16x22x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $69.99
    MSRP: $72.34
    Save 3%
  • Tier1 600 Air Filter - 16x25x1 (6-Pack)

    16x25x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $36.99
    MSRP: $89.99
    Save 59%
  • Tier1 600 Air Filter - 16x32x1 (6-Pack)

    16x32x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $67.99
    MSRP: $70.34
    Save 3%
  • Tier1 600 Air Filter - 16x36x1 (6-Pack)

    16x36x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $75.99
    MSRP: $78.34
    Save 3%
  • Tier1 600 Air Filter - 16-1/4 x 21-1/2 x 1 (6-Pack)
  • Tier1 600 Air Filter - 16-1/2 x 21-1/2 x 1 (6-Pack)
  • Tier1 600 Air Filter - 16-1/2 x 21-5/8 x 1 (6-Pack)
  • Tier1 600 Air Filter - 17x22x1 (6-Pack)

    17x22x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $51.99
    MSRP: $54.34
    Save 4%
  • Tier1 600 Air Filter - 18x30x1 (6-Pack)

    18x30x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $52.99
    MSRP: $55.34
    Save 4%
  • Tier1 600 Air Filter - 18x36x1 (6-Pack)

    18x36x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $79.99
    MSRP: $82.34
    Save 3%
  • Tier1 600 Air Filter - 20 x 21-1/2 x 1 (6-Pack)

    20x21 1/2x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $47.99
    MSRP: $62.34
    Save 23%
  • Tier1 600 Air Filter - 20x20x1 (6-Pack)

    20x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    $36.99
    MSRP: $89.99
    Save 59%

Items 1 to 48 of 227 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
Scroll To Top