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

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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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42 Item(s)

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  • WIC-6A American Plumber Inline Icemaker Filter
  • WICSA American Plumber Inline Filter with 1/4 inch Quick-Connect Fittings
  • US-600 Culligan Slim Undersink Filter System

    US-600 Culligan Slim Undersink Filter System

    $35.99
    MSRP: $41.39
    Save 13%
  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $37.99
    MSRP: $54.99
    Save 31%
  • ICF-10Q Hydronix Inline Coconut Carbon Filter

    ICF-10Q Hydronix Inline Coconut Carbon Filter

    $10.99
    MSRP: $15.99
    Save 31%
  • ICF-10Q38 Hydronix Inline Coconut Carbon Filter

    ICF-10Q38 Hydronix Inline Coconut Carbon Filter

    $9.89
    MSRP: $13.99
    Save 29%
  • ICF-6Q Hydronix Inline Coconut Carbon Filter

    ICF-6Q Hydronix Inline Coconut Carbon Filter

    $10.99
    MSRP: $15.99
    Save 31%
  • GS-10ALS-JG14 Pentek Inline Filter System

    GS-10ALS-JG14 Pentek Inline Water Filter

    $14.69
    MSRP: $21.99
    Save 33%
  • GXRTQ GE SmartWater Inline Filter System
  • OMNIFILTER-SFM2

    OMNIFILTER-SFM2

    $35.99
  • OMNIPURE-K2333-JJ

    OMNIPURE-K2333-JJ

    $12.19
    MSRP: $13.79
    Save 12%
  • OMNIPURE-K2333-KK

    OMNIPURE-K2333-KK

    $14.29
  • OMNIPURE-K2520-JJ

    OMNIPURE-K2520-JJ

    $20.99
    MSRP: $24.14
    Save 13%
  • OMNIPURE-K2528-JJ

    OMNIPURE-K2528-JJ

    $9.99
    MSRP: $13.79
    Save 28%
  • OMNIPURE-K2533JJ

    OMNIPURE-K2533JJ

    $11.99
    MSRP: $13.79
    Save 13%
  • OMNIPURE-K2533-KK

    OMNIPURE-K2533-KK

    $13.99
    MSRP: $14.94
    Save 6%
  • OMNIPURE-K2540-JJ

    OMNIPURE-K2540-JJ

    $13.19
    MSRP: $16.09
    Save 18%
  • OMNIPURE-K2567JJ

    OMNIPURE-K2567JJ

    $21.99
  • OMNIPURE-K5520P-JJ

    OMNIPURE-K5520P-JJ

    $19.99
    MSRP: $25.29
    Save 21%
  • OMNIPURE-K5567JJ

    OMNIPURE-K5567JJ

    $20.99
    MSRP: $26.44
    Save 21%
  • OMNIPURE-K5586-JJ

    OMNIPURE-K5586-JJ

    $16.49
    MSRP: $19.54
    Save 16%
  • OMNIPURE-Q5386

    OMNIPURE-Q5386

    $14.99
    MSRP: $20.00
    Save 25%
  • OMNIPURE-Q5486

    OMNIPURE-Q5486

    $15.39
    MSRP: $16.09
    Save 4%
  • OMNIPURE-K2586-JJ

    OMNIPURE-K2586-JJ

    $18.69
  • OMNIPURE-K5515-JJ

    OMNIPURE-K5515-JJ

    $23.99
  • GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1
  • GXRTQR GE SmartWater Inline Filter Replacement Cartridge
  • IC10-14C Coconut GAC Inline Water Filter (1/4-inch FPT)
  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99
    MSRP: $17.99
    Save 33%
  • WHKF-IMTO Whirlpool Comparable Coconut GAC Inline Water Filter by Tier1 (1/4-inch FPT)
  • IN-WF0190 Comparable Inline Coconut Carbon Water Filter By Tier1

    IN-WF0190 Inline Coconut Carbon Water Filter By Tier1

    $8.99
    MSRP: $12.99
    Save 31%
  • CL6ROT33-B Omnipure Comparable Granular Activated Inline Water Filter by Tier1
  • ICF-10 Hydronix Comparable Granular Activated Carbon Inline Water Filter by Tier1
  • TS-101L Pentek Comparable Granular Activated Carbon Inline Water Filter by Tier1
  • ICF-6 Hydronix Comparable Granular Activated Carbon Inline Water Filter by Tier1
  • K2333-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • K2533-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • K5633JJ Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • ICF-10Q38 Hydronix Inline Coconut Carbon Water Filter Replacement by Tier1
  • K2386-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • K2528-KK Omnipure Comparable Inline Coconut Carbon Water Filter Tier1
  • IC-101L Pentek Comparable Granular Activated Carbon Inline Water Filter by Tier1

42 Item(s)

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