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

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Clearance and Savings On Water Filters, Air Filters And More!

You’ll find great clearance items and savings on air and water filters. With different filter and filter system needs, Discount Filter Store has special deals in across many categories to try and save you more. Get clearance deals on inline filter systems, whole house filters, reverse osmosis systems, rust removers, and more.

Looking for a particular filter? Call us at 1-800-277-3458, and our air & water filter experts will happily help you find the perfect product to fit your needs!

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Items 1 to 48 of 235 total

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  • 4373575 Whirlpool Undersink Filter Kit

    4373575 Whirlpool Undersink Filter Kit

    $61.49
    MSRP: $97.99
    Save 37%
  • 265071 American Hydro Systems Outside Parts Replacement Kit for Siphoning Feeder System
  • 67406 Aquamira Water Purifier Tablets (Military) (50-Pack)
  • 3M Aqua-Pure AP200 Under Sink Water Filter

    AP200 3M Aqua-Pure Undersink Water Filtration System

    $107.69
    MSRP: $160.99
    Save 33%
  • 3M Aqua-Pure RM-TFC Reverse Osmosis Membrane

    RM-TFC 3M Aqua-Pure Reverse Osmosis Membrane

    $177.99
    MSRP: $232.29
    Save 23%
  • 35618 Brita Faucet Filter System - Chrome - 1

    Brita Chrome Faucet Filter System (#35618)

    $36.99
    MSRP: $59.79
    Save 38%
  • 35507 Brita Classic OB01 48-Ounce Water Pitcher

    Brita Classic Water Filter Pitcher (48 Ounce, #OB01)

    $28.99
    MSRP: $50.99
    Save 43%
  • RV-EZ-3 Culligan Level 3 Easy-Change RV Inline Filter System
  • CFS517 Cuno Whole House Filter Replacement Cartridge

    CFS517 Cuno Whole House Filter Replacement Cartridge

    $76.99
    MSRP: $87.39
    Save 12%
  • CFS9112 Cuno Whole House Filter Replacement Cartridge

    CFS9112 Cuno Whole House Filter Replacement Cartridge

    $62.99
    MSRP: $71.29
    Save 12%
  • CFS9720 Cuno Whole House Filter Replacement Cartridge

    CFS9720 Cuno Whole House Filter Replacement Cartridge

    $49.99
    MSRP: $61.97
    Save 19%
  • HF10-MS Cuno Whole House Filter Replacement Cartridge

    HF10-MS Cuno Whole House Filter Replacement Cartridge

    $65.99
    MSRP: $68.30
    Save 3%
  • HF20 Cuno Whole House Filter Replacement Cartridge

    HF20 Cuno Whole House Filter Replacement Cartridge

    $64.99
    MSRP: $80.49
    Save 19%
  • HF25 Cuno Whole House Filter Replacement Cartridge
  • HF65-S Cuno Whole House Filter Replacement Cartridge

    HF65-S Cuno Whole House Filter Replacement Cartridge

    $133.99
    MSRP: $155.81
    Save 14%
  • HF8-S Cuno Whole House Filter Replacement Cartridge

    HF8-S Cuno Whole House Water Filter Cartridge

    $50.99
    MSRP: $62.09
    Save 18%
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    $106.39
    MSRP: $176.99
    Save 40%
  • WS01-WH Filtrete Water Station Filtered Water Bottle Filling Station
  • TJ9CIMKIT20 Frigidaire Refrigerator Icemaker Installation Kit
  • 22006 Hydrologic BigBoy Replacement Carbon Filter - Green
  • M7251253FR-06 LG Ultimate M7 Refrigerator Water Filter

    M7251253FR-06 LG Ultimate M7 Refrigerator Water Filter

    $22.99
    MSRP: $26.21
    Save 12%
  • QC10-EP Pentek Undersink Quick-Change Filter System

    QC10-EP Pentek Quick-Change Filter System

    $29.99
    MSRP: $34.26
    Save 12%
  • GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    $65.49
    MSRP: $118.99
    Save 45%
  • RS-502-DS Rainshowr Shower Filter System with Whedon Designer Shower Head - Chrome
  • FXS-CM-S3 Sprite ShowerUp Shower Filter System and Extension Arm
  • SL2-CM-M Sprite Slim Line Universal Shower Filter System - Chrome

    SL2-CM-M Sprite Slim Line Universal Shower Filter (Chrome)

    $30.99
    MSRP: $37.94
    Save 18%
  • FRDM-RP-EF SteriPEN Portable UV System
  • 3WB-SS Tier1 Triple Filter Housing Mounting Bracket

    3WB-SS Tier1 Triple Filter Housing Mounting Bracket

    $39.99
    MSRP: $48.29
    Save 17%
  • KDF55-20 Tier1 Replacement Filter Cartridge

    KDF55-20 Tier1 Replacement Filter Cartridge

    $87.99
    MSRP: $93.34
    Save 6%
  • LF-EC25-CP Tier1 Contemporary Ceramic Faucet - Chrome

    LF-EC25-CP Tier1 Contemporary Ceramic Faucet - Chrome

    $30.99
    MSRP: $51.74
    Save 40%
  • MATRIKX-Pb1-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • MATRIKX-Pb1-HD10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    $69.99
    MSRP: $82.79
    Save 15%
  • CBF2-S-05 OmniFilter Undersink Filter System
  • K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    $20.89
    MSRP: $33.99
    Save 39%
  • K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    $20.99
    MSRP: $26.44
    Save 21%
  • 150111 Pentek High Temperature Filter Housing - Red

    150111 Pentek High Temperature Filter Housing - Red

    $139.99
    MSRP: $159.84
    Save 12%
  • Pleatco PCAL75 Replacement Pool and Spa Filter

    Pleatco PCAL75 Pool and Spa Filter Replacement

    $41.19
    MSRP: $51.99
    Save 21%
  • Pleatco PCC80-PAK4 Replacement Pool and Spa Filter (4-Pack)

    Pleatco PCC80-PAK4 Pool and Spa Filter Replacement (4-Pack)

    $169.99
    MSRP: $253.52
    Save 33%
  • Pleatco PCST120-M Replacement Pool and Spa Filter
  • Pleatco PRB75 replacement for 17-2632, RTL-75, 25390 & R173435
  • WSF-100 Samsung Refrigerator Water Filter

    WSF-100 Samsung Refrigerator Water Filter

    $26.39
    MSRP: $43.99
    Save 40%
  • ACC5-CM Sprite Cascade Filtered Shower Head (5-Setting)

    ACC5-CM Sprite Cascade Filtered Shower Head (5-Setting)

    $43.99
    MSRP: $55.19
    Save 20%
  • US-UF3 Culligan Ultrafiltration Drinking Water System
  • 650694 Trojan UVMAX D4 UV Disinfection System
  • Pro Products Poly Guard Hard Water Scale & Rust Preventer (GP10C)
  • Pro Products Pro Rust Out Water Softener Rust Remover
  • Brita Ultramax Water Filter Pitcher

Items 1 to 48 of 235 total

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