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.

Items 1 to 48 of 516 total

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

Grid  List 

Set Descending Direction
  • EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    EPM-20 Pentek Comparable Whole House Water Filter by Tier1

    $11.99
    MSRP: $20.99
    Save 43%
  • EPM-20BB Pentek Comparable Whole House Water Filter by Tier1
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • 150240 Pentek 10-inch Big Blue Housing

    150240 Pentek 10-inch Big Blue Housing

    $29.99
    MSRP: $42.00
    Save 29%
  • 655130-43/DFX-CB-10 Pentek Diamond Polyspun Carbon Block Replacement
  • 655148-43/DFX-CB-20 Pentek Diamond Polyspun Carbon Block Replacement
  • SPC-25-1020 Hydronix Sediment Water Filter

    SPC-25-1020 Hydronix Pleated Sediment Water Filter

    $6.99 MSRP: $10.91
    Save 36%
  • ECP5-BB Pentek Comparable Whole House Water Filter by Tier1

    ECP5-BB Pentek Comparable Whole House Water Filter by Tier1

    $12.99 MSRP: $17.99
    Save 28%
  • 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
  • ECP50-BB Pentek Comparable Whole House Sediment Filter by Tier1
  • CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1
  • CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  • WP-30 Pentek Comparable Whole House Sediment Filter by Tier1
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PD-1-934-Pentek Comparable Whole House Sediment Water Filter by Tier1
  • PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    PD-1-20 Pentek Comparable Sediment Water Filter by Tier1

    $5.99 MSRP: $10.99
    Save 45%
  • P25 Pentek Comparable Whole House Sediment Filter by Tier1
  • HB-20-50W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • R30-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • SPC-45-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • HB-20-20W Harmsco Comparable Whole House Sediment Water Filter by Tier1
  • APS117 3M Aqua-Pure Comparable Whole House Carbon Water Filter by Tier1
  • D-20 Culligan Comparable Whole House Carbon Water Filter by Tier1
  • CFS117 Cuno Comparable Whole House Sediment Water Filter by Tier1
  • HDG-P117 Hydronix Comparable Whole House Sediment Water Filter by Tier1
  • P-250 Pentek Comparable Under Sink Water Filter Set by Tier1
  • WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1
  • WHKF-GAC AP117 Whirlpool Comparable Whole House Sediment Water Filter by Tier1
  • Pentek 158114 10-inch Standard Filter Housing

    Pentek 158114 10-inch Standard Filter Housing

    $12.99
    MSRP: $15.34
    Save 15%
  • Pentek BN-410-200 Nylon Filter Bag

    Pentek BN-410-200 Nylon Filter Bag

    $11.99
    MSRP: $14.34
    Save 16%
  • Pentek BN-410-800 Nylon Filter Bag

    Pentek BN-410-800 Nylon Filter Bag

    $7.99
    MSRP: $9.76
    Save 18%
  • Pentek BN-420-100 Nylon Filter Bag

    Pentek BN-420-100 Nylon Filter Bag

    $10.99
    MSRP: $13.67
    Save 20%
  • Pentek BN-420-200 Nylon Filter Bag

    Pentek BN-420-200 Nylon Filter Bag

    $6.99
    MSRP: $13.79
    Save 49%
  • Pentek BN-420-400 Nylon Filter Bag

    Pentek BN-420-400 Nylon Filter Bag

    $10.99
    MSRP: $13.79
    Save 20%
  • Pentek BN-420-800 Nylon Filter Bag

    Pentek BN-420-800 Nylon Filter Bag

    $5.99
    MSRP: $7.92
    Save 24%
  • Pentek BPH-410-1 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-25 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-5 Polypropylene High Efficiency Filter Bag
  • Pentek BPHE-410-50 Polypropylene High Efficiency Filter Bag
  • Pentek CFB-PB10 Lead & Cyst Carbon Filter

    Pentek CFB-PB10 Lead & Cyst Carbon Filter

    $13.99
    MSRP: $17.12
    Save 18%
  • Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    $23.99
    MSRP: $25.29
    Save 5%
  • Pentek KE10G2S Polyester Filter Bag

    Pentek KE10G2S Polyester Filter Bag

    $5.99
    MSRP: $7.12
    Save 16%
  • Pentek KE25G4S Polyester Filter Bag

    Pentek KE25G4S Polyester Filter Bag

    $5.99
    MSRP: $6.89
    Save 13%
  • Pentek KO100G1S Polypropylene Filter Bag

    Pentek KO100G1S Polypropylene Filter Bag

    $5.99
    MSRP: $8.04
    Save 25%
  • Pentek KO10G2S Polyester Filter Bag

    Pentek KO10G2S Polyester Filter Bag

    $6.99
    MSRP: $8.04
    Save 13%

Items 1 to 48 of 516 total

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

Grid  List 

Set Descending Direction
Scroll To Top