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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.

Items 1 to 48 of 1786 total

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  • W20CLA American Plumber Comparable Whole House Water Filter by Tier1
  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1
  • RS1SS OmniFilter Comparable Whole House Water Filter by Tier1
  • FXWTC GE Comparable Whole House Water Filter 2-Pack by Tier1
  • RS2SS OmniFilter Comparable Whole House Water Filter by Tier1
  • 155016-43 Pentek Comparable Whole House Water Filter by Tier1
  • Tier1 Replacement Pitcher Filters (6-Pack)

    Tier1 Replacement Pitcher Filters (6-Pack)

    $26.99
    MSRP: $36.99
    Save 27%
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • Tier1 Aprilaire #401 16 x 28 x 6 MERV 13 Comparable Replacement Filter (alternate)
  • Tier1 Aprilaire #201 20 x 25 x 6 MERV 13 Comparable Replacement Filter
  • Tier1 brand replacement for CX1100-RE (front)

    Tier1 brand replacement for CX1100-RE

    $59.95
    MSRP: $85.09
    Save 30%
  • Tier1 brand replacement for CX870-XRE (front)

    Tier1 brand replacement for CX870-XRE

    $50.75
    MSRP: $74.74
    Save 32%
  • Tier1 brand replacement for CX880-XRE (front)

    Tier1 brand replacement for CX880-XRE

    $72.99
    MSRP: $77.04
    Save 5%
  • Tier1 brand replacement for CX-1200-RE (front)

    Tier1 brand replacement for CX-1200-RE

    $65.99
    MSRP: $95.44
    Save 31%
  • Tier1 brand replacement for CX1250-RE, CX1500-RE (front)

    Tier1 brand replacement for CX1250-RE, CX1500-RE

    $54.99
    MSRP: $91.99
    Save 40%
  • Tier1 brand replacement for CX1280-XRE (front)

    Tier1 brand replacement for CX1280-XRE

    $62.95
    MSRP: $108.20
    Save 42%
  • Tier1 brand replacement for CX1380-RE (front)

    Tier1 brand replacement for CX1380-RE

    $65.99
    MSRP: $95.44
    Save 31%
  • Tier1 brand replacement for CX1750-RE, 25230-0175S & 817-0175P (front)
  • Tier1 brand replacement for CX500-RE, R173409 & 27-079 (front)

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

    $39.99
    MSRP: $50.27
    Save 20%
  • Tier1 brand replacement for CX470-XRE & 25200-01505 (front)

    Tier1 brand replacement for CX470-XRE & 25200-01505

    $30.99
    MSRP: $46.24
    Save 33%
  • Tier1 brand replacement for CX550-RE (front)

    Tier1 brand replacement for CX550-RE

    $34.99
    MSRP: $54.27
    Save 36%
  • Pleatco PA76 Replacement Pool and Spa Filter

    Pleatco PA76 Pool and Spa Filter Replacement

    $53.95
    MSRP: $79.03
    Save 32%
  • Tier1 brand replacement for CX580-XRE (front)

    Tier1 brand replacement for CX580-XRE

    $57.99
    MSRP: $72.27
    Save 20%
  • Tier1 brand replacement for CX900-RE & 25230-0095S (front)

    Tier1 brand replacement for CX900-RE & 25230-0095S

    $75.68
    MSRP: $89.33
    Save 15%
  • Tier1 brand replacement for R173215 & 59054200 (front)

    Tier1 brand replacement for R173215 & 59054200

    $68.99
    MSRP: $75.89
    Save 9%
  • Tier1 brand replacement for R173213, 59054000 & 1561-26 (front)

    Tier1 brand replacement for R173213, 59054000 & 1561-26

    $36.85
    MSRP: $51.41
    Save 28%
  • Tier1 brand replacement for R173214 & 59054100 (front)

    Tier1 brand replacement for R173214 & 59054100

    $57.99
    MSRP: $69.82
    Save 17%
  • Tier1 brand replacement for systems that use 4 1/4-inch diameter by 3 3/4-inch length filters (front)

    Tier1 brand replacement for Size 1 (2-pack)

    $11.89
    MSRP: $13.63
    Save 13%
  • Tier1 brand replacement for 58600, 59900 & F18 (front)

    Tier1 brand replacement for 58600, 59900 & F18

    $9.89
    MSRP: $19.67
    Save 50%
  • Tier1 brand replacement for 817-0131, 178584 & R173476 (front)
  • Tier1 brand replacement for 817-0143, 178585 & R173578 (front)
  • Tier1 brand replacement for 178569 & R173572 (front)

    Tier1 brand replacement for 178569 & R173572

    $36.89
    MSRP: $58.96
    Save 37%
  • PAS-1217 Tier1 Replacement Pool and Spa Filter (alternate)
  • PAS-1223 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 1561-00

    $41.95
    MSRP: $59.41
    Save 29%
  • Tier1 brand replacement for 17-2812, 17-4985 & 32050204 (front)

    Tier1 brand replacement for 17-2812, 17-4985 & 32050204

    $69.99
    MSRP: $79.90
    Save 12%
  • Tier1 brand replacement for 17-2810, 17-4983, 17-4985, 32050203 & R173298 (front)
  • Tier1 brand replacement for FF-150 (front)

    Tier1 brand replacement for FF-150

    $18.89
    MSRP: $21.65
    Save 13%
  • Tier1 brand replacement for FF-100 & Claro (front)

    Tier1 brand replacement for FF-100 & Claro

    $20.89
    MSRP: $23.17
    Save 10%
  • PAS-1287 Tier1 Replacement Pool and Spa Filter (2-Pack) (alternate)
  • Tier1 brand replacement for 42-2891-08-R, 2590000 & 5475000 (front)
  • PAS-1331 Tier1 Replacement Pool and Spa Filter (alternate)

    Tier1 brand replacement for 2000-286 & 20086-001

    $34.89
    MSRP: $39.46
    Save 12%

Items 1 to 48 of 1786 total

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