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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Items 49 to 96 of 352 total

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  • CBC-10 Pentek Replacement Water Filter
  • EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    $47.99 MSRP: $69.77
    Save 31%
  • CB6 OmniFilter Comparable Whole House Carbon Water Filter by Tier1
  • KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1
  • FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • KX-MATRIKX-1-20 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
  • FLOPLUS-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
  • FLOPLUS-20BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1
  • D-15 Culligan Whole Comparable House Carbon Water Filter by Tier1
  • D-250A Culligan Comparable Under Sink Water Filter Set by Tier1
  • P-250 Pentek Comparable Under Sink Water Filter Set by Tier1
  • P-250A Pentek Comparable Under Sink Filter Set by Tier1

    P-250A Pentek Comparable Under Sink Filter Set by Tier1

    $21.99 MSRP: $41.99
    Save 48%
  • WHKF-DB1 Whirlpool Comparable Under Sink Water Filter by Tier1
  • WHKF-DB2 Whirlpool Comparable Under Sink Water Filter by Tier1
  • FQSVF / FQSLF GE SmartWater Undersink Water Filter Replacement Cartridge Set By Tier1
  • FQK2J GE SmartWater Undersink Water Filter Replacement Cartridge Set by Tier1
  • 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%
  • 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%
  • AP717 3m Aqua-Pure Comparable Inline Water Filter by Tier1

    AP717 3M Aqua-Pure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • CL10ROT33-B Omnipure Comparable Inline Water Filter by Tier1
  • WHKF-IMTO Whirlpool Comparable Inline Water Filter by Tier1

    WHKF-IMTO Whirlpool Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • ICF-10Q Hydronix Comparable Inline Water Filter by Tier1

    ICF-10Q Hydronix Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • K2540-JJ Omnipure Comparable Inline Water Filter by Tier1
  • DD-7098 Daewoo Comparable Inline Water Filter by Tier1

    DD-7098 Daewoo Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • K2533BB Omnipure Comparable Inline Water Filter by Tier1

    K2533BB Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • K5567JJ Omnipure Comparable Inline Water Filter by Tier1

    K5567JJ Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • CL10ROT33-C-Omnipure Comparable Inline Water Filter by Tier1
  • GS-10ALS-JG14 Pentek Comparable Inline Water Filter by Tier1
  • CL10ROT40-B Omnipure Comparable Inline Water Filter by Tier1
  • AICRO-JGK Watts Comparable Inline Water Filter by Tier1

    AICRO-JGK Watts Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • K2528-JJ Omnipure Comparable Inline Water Filter by Tier1
  • K2567-BB Omnipure Comparable Inline Water Filter by Tier1

    K2567-BB Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • CL10ROT40-C Omnipure Comparable Inline Water Filter by Tier1
  • K5586-JJ Omnipure Comparable Inline Water Filter by Tier1

    K5586-JJ Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • GS-10-JG14 Pentek Comparable Inline Water Filter by Tier1

    GS-10-JG14 Pentek Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • K5528-BB Omnipure Comparable Inline Water Filter by Tier1

    K5528-BB Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • CL10ROT28-A Omnipure Comparable Inline Water Filter by Tier1
  • K2533TJ Omnipure Comparable Inline Water Filter by Tier1

    K2533TJ Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%
  • WS-21 Water Sentinel Comparable Inline Water Filter by Tier1
  • K2540-TJ Omnipure Comparable Inline Water Filter by Tier1
  • K5553-BB Omnipure Comparable Inline Water Filter by Tier1

    K5553-BB Omnipure Comparable Inline Water Filter by Tier1

    $6.99 MSRP: $10.34
    Save 32%

Items 49 to 96 of 352 total

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