Discount Water Filters and Air Filters at Discount Filter Store.com

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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.

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  • RS2SS OmniFilter Comparable Whole House Water Filter by Tier1
  • ECP5-BB Pentek Comparable Whole House Water Filter by Tier1
  • WP-5 Pentek Comparable Replacement Filter Cartridge by Tier1
  • RS2DS OmniFilter Comparable Whole House Replacement Water Filter Cartridge by Tier1 (2-Pack)
  • CB3-SS6-06 OmniFilter Comparable Undersink Filter Replacement Cartridge by Tier1
  • RWC-5 Culligan Comparable Whole House Water Filter by Tier1
  • OMNIFILTER-RS12-SS6-05

    OMNIFILTER-RS12-SS6-05

    $4.99
    MSRP: $8.04
    Save 38%
  • AMERICAN-PLUMBER-W20CLA-2PK

    AMERICAN-PLUMBER-W20CLA-2PK

    $11.99
    MSRP: $12.64
    Save 5%
  • W25P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W30PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • AMERICAN-PLUMBER-W5CIP

    AMERICAN-PLUMBER-W5CIP

    $21.99
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WRC25HD American Plumber Whole House Heavy Duty Filter Cartridge
  • WRC25HD20 American Plumber Whole House 20-inch Heavy Duty Filter Cartridge
  • CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    $34.99
    MSRP: $47.99
    Save 27%
  • CB3 OmniFilter Undersink Filter Replacement Cartridge
  • CB6 OmniFilter Whole House Filter Replacement Cartridge
  • FRC1D OmniFilter Faucet Filter Replacement Cartridge

    FRC1D OmniFilter Faucet Filter Replacement Cartridge

    $6.99
    MSRP: $12.41
    Save 44%
  • GAC1SS OmniFilter Series C Undersink Filter Replacement Cartridge
  • OMNIFILTER-1100R

    OMNIFILTER-1100R

    $28.99
    MSRP: $36.79
    Save 21%
  • OMNIFILTER-CBF1-S-05

    OMNIFILTER-CBF1-S-05

    $76.19
    MSRP: $88.54
    Save 14%
  • OMNIFILTER-CBF3-S-05

    OMNIFILTER-CBF3-S-05

    $105.99
  • OMNIFILTER-OB5-S-05

    OMNIFILTER-OB5-S-05

    $29.99
  • PENTEK-PS1-10C

    PENTEK-PS1-10C

    $6.99
  • PENTEK-PS20-10C

    PENTEK-PS20-10C

    $5.99
  • R200 OmniFilter Inline Filter System

    R200 OmniFilter Inline Water Filtration System

    $14.99
    MSRP: $16.09
    Save 7%
  • RS14DS

    RS14DS

    $6.99
    MSRP: $8.15
    Save 14%
  • RS2-SS OmniFilter Whole House Filter Replacement Cartridge

    RS2-SS OmniFilter Whole House Water Filter Cartridge

    $6.99
    MSRP: $8.04
    Save 13%
  • RS3-SS OmniFilter Whole House Filter Replacement Cartridge
  • RS7-SS OmniFilter Whole House Filter Replacement Cartridge
  • SF100 OmniFilter Shower-Soft Inline Shower Filter

    SF100 OmniFilter Shower-Soft Inline Shower Filter

    $29.99
    MSRP: $35.64
    Save 16%
  • K4

    K4

    $3.99
    MSRP: $6.89
    Save 42%
  • OK25

    OK25

    $4.99
    MSRP: $8.04
    Save 38%
  • OK7

    OK7

    $4.89
    MSRP: $8.04
    Save 39%
  • OM1 OmniFilter Reverse Osmosis Membrane
  • OMNIFILTER-800R

    OMNIFILTER-800R

  • OMNIFILTER-BF7MB-R-05

    OMNIFILTER-BF7MB-R-05

    $23.99
  • OMNIFILTER-BF7-S-05

    OMNIFILTER-BF7-S-05

    $69.99
    MSRP: $82.79
    Save 15%
  • CBF2-S-05 OmniFilter Undersink Filter System
  • OMNIFILTER-F1-S6-05

    OMNIFILTER-F1-S6-05

    $17.09
    MSRP: $19.31
    Save 11%
  • OB1-S-05 OmniFilter Undersink Filter System
  • OMNIFILTER-OT32-S-05

    OMNIFILTER-OT32-S-05

    $112.99
    MSRP: $132.24
    Save 15%
  • OMNIFILTER-P2240

    OMNIFILTER-P2240

    $9.99
    MSRP: $11.49
    Save 13%
  • OMNIFILTER-PF-300S

    OMNIFILTER-PF-300S

    $6.19
    MSRP: $9.19
    Save 33%

Items 1 to 48 of 98 total

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