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 3877 total

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

Grid  List 

Set Descending Direction
  • H-100 Everpure Replacement Water Filter Cartridge EV9611-16
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1
  • OB03 Brita Comparable Pitcher Replacement Cartridges by Tier1 (6-Pack)
  • 3M Aqua-Pure SS8 EPE-316L Whole House Stainless Steel Filter Housing
  • 3M Aqua-Pure SS20 EPE-316L Whole House Stainless Steel Filter Housing
  • APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    APRC1-P AquaPatrol Ice Machine Replacement Water Filter

    $58.05
    MSRP: $94.99
    Save 39%
  • 150240 Pentek 10-inch Big Blue Housing

    150240 Pentek 10-inch Big Blue Housing

    $29.99
    MSRP: $42.00
    Save 29%
  • 655148-43/DFX-CB-20 Pentek Diamond Polyspun Carbon Block Replacement
  • 35736 Brita Green Pacifica 10 Cup Filtered Water Pitcher

    35736 Brita Green Pacifica Filtered Water Pitcher (10 Cup)

    $38.99
    MSRP: $47.99
    Save 19%
  • Frigidaire EPTWFU01 Refrigerator Water Filter Combo with PAULTRA Air Filter
  • KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1
  • CR1-20 KX MatrikX Comparable Whole House Carbon Water Filter by Tier1
  • CHLORPLUS-20 Pentek Comparable Whole House Carbon Water Filter by Tier1
  • KX-MATRIKX-1-HD20 Technologies MatrikX Whole House Carbon Filter By Tier1
  • MATRIKX-5-HD20 KX Technologies MatrikX Comparable Whole House Carbon Filter by Tier1
  • ECP1-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • P-250 Pentek Comparable Under Sink Water Filter Set Tier1
  • D-250A Culligan Comparable Under Sink Water Filter Set by Tier1
  • P-250 Pentek Comparable Under Sink Water Filter Set by Tier1
  • K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    $29.99 MSRP: $49.99
    Save 40%
  • TS-500 Culligan Inline Water Filter Replacement by Tier1

    TS-500 Culligan Inline Water Filter Replacement by Tier1

    $29.99 MSRP: $49.99
    Save 40%
  • 401 Aprilaire Comparable Replacement for 16 x 28 x 6-MERV 11 Air Filter by Tier1 (2-Pack)
  • CRF-950Z-3 PUR Pitcher Replacement Cartridge (3-Pack)

    CRF-950Z-3 PUR Pitcher Replacement Cartridge (3-Pack)

    $25.99
    MSRP: $36.79
    Save 29%
  • DS-1800Z PUR 2-Stage 160-Ounce Water Dispenser

    DS1800ZV1 PUR 2-Stage 144-Ounce Water Dispenser

    $38.99
    MSRP: $47.14
    Save 17%
  • FM-3333B PUR 2-Stage Vertical Faucet Filter System - White

    FM-3333B PUR 2-Stage Vertical Faucet Filter System - White

    $21.99
    MSRP: $31.04
    Save 29%
  • FM-9100M PUR 3-Stage Horizontal Faucet Filter System - Stainless Steel
  • FM-9400B PUR 3-Stage Horizontal Faucet Filter System - Chrome
  • FM-9600B PUR 3-Stage Horizontal Faucet Filter System - White
  • RF-9999-3 PUR 3-Stage Mineral Clear Faucet Filter Replacement Cartridge (3-Pack)
  • Pleatco DSF25-50TC Replacement Pool and Spa Filter
  • Tier1 brand replacement for CX1100-RE (front)

    Tier1 brand replacement for CX1100-RE

    $50.99
    MSRP: $85.09
    Save 40%
  • Pleatco PA100-4 Replacement Pool and Spa Filter
  • Pleatco PA100-M Replacement Pool and Spa Filter
  • Tier1 brand replacement for CX870-XRE (front)

    Tier1 brand replacement for CX870-XRE

    $49.99
    MSRP: $74.74
    Save 33%
  • Pleatco PA100N-4 Replacement Pool and Spa Filter
  • Pleatco PA100N-M Tier1 Replacement Pool and Spa Filter
  • Pleatco PA100N-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PA100N-PAK4 Pool and Spa Filter Replacement (4-Pack)

    $224.99
    MSRP: $313.48
    Save 28%
  • Tier1 brand replacement for CX880-XRE (front)

    Tier1 brand replacement for CX880-XRE

    $57.99
    MSRP: $77.04
    Save 25%
  • Pleatco PA106-4 Replacement Pool and Spa Filter
  • Pleatco PA106-M Replacement Pool and Spa Filter
  • Pleatco PA106-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PA106-PAK4 Pool and Spa Replacement Filter (4-Pack)

    $219.99
    MSRP: $330.17
    Save 33%

Items 1 to 48 of 3877 total

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

Grid  List 

Set Descending Direction
Scroll To Top