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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19 Item(s)

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  • F-201R InSinkErator Instant Hot Water Dispenser Replacement Filter Cartridge (2-Pack)
  • K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    $21.09
    MSRP: $33.99
    Save 38%
  • Pentek 255579-43 Inline Sediment Water Filter Replacement

    Pentek 255579-43 Inline Sediment Water Filter Replacement

    $14.29
    MSRP: $21.99
    Save 35%
  • 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%
  • 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
  • K2528-KK Omnipure Comparable Inline Coconut Carbon Water Filter Tier1
  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $37.99
    MSRP: $54.99
    Save 31%
  • HF20-S Cuno Whole House Filter Replacement Cartridge

    HF20-S Cuno Whole House Filter Replacement Cartridge

    $68.99
    MSRP: $86.24
    Save 20%
  • GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    $18.99
    MSRP: $27.99
    Save 32%
  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99
    MSRP: $35.64
    Save 19%
  • K2515-JJ Omnipure Lead Cyst Inline Filter

    K2515-JJ Omnipure Lead Cyst Inline Filter

    $22.09
    MSRP: $33.99
    Save 35%
  • K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    $20.99
    MSRP: $29.99
    Save 30%
  • K5520P-JJ Omnipure Inline Phosphate Filter

    K5520P-JJ Omnipure Inline Phosphate Filter

    $19.99
    MSRP: $27.59
    Save 28%
  • K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    $23.99
    MSRP: $29.89
    Save 20%
  • IC6-38Q Tier1 Inline Water Filter

    IC6-38Q Tier1 Inline Water Filter

    $8.99
    MSRP: $16.99
    Save 47%
  • GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1
  • GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    $19.99 MSRP: $34.99
    Save 43%

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