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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.

32 Item(s)

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  • Hydronix SDC-25-1005 6-Pack Whole House Replacement Sediment Filter Cartridge
  • RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    RFC-93 Pentek Radial Flow Carbon Water Filter Cartridge

    $23.99 Retail Price:  $27.99
  • SPC-25-1020 Hydronix Pleated Sediment Water Filter (6-Pack)
  • Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    $22.99 Retail Price:  $24.71
  • K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    Regular Price: $20.99

    Special Price: $20.05

  • EV9100-08 Everpure IN-10 Inline Filter with 3/8 inch NPT threads

    EV9100-08 Everpure IN-10 Inline Water Filter

    $20.99 Retail Price:  $33.34
  • TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    $20.99 Retail Price:  $24.60
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • HF-150 Culligan Whole House Filter System

    HF-150 Culligan Whole House Filter System

    $21.99 Retail Price:  $26.44
  • MATRIKX-5-10 KX Technologies MatrikX Undersink Filter Replacement Cartridge
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99 Retail Price:  $26.44
  • RV-600A Culligan Level 1 Inline RV Pre-Tank Exterior Filter
  • FXUTC GE SmartWater Undersink Filter Replacement Cartridge
  • K5562-BB-NRW37 Omnipure Deionization Inline Filter

    K5562-BB-NRW37 Omnipure Deionization Inline Filter

    $22.99 Retail Price:  $25.29
  • K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    $22.99 Retail Price:  $28.74
  • AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    AP117RO 3M Aqua-Pure Reverse Osmosis Filter

    $23.99 Retail Price:  $30.23
  • P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    $23.99 Retail Price:  $28.99
  • P-250A Pentek Undersink Filter Set

    P-250A Pentek Undersink Filter Set

    $23.99 Retail Price:  $29.13
  • PCC218 Pentek Replacement Filter Cartridge

    PCC218 Pentek Replacement Filter Cartridge

    $23.99 Retail Price:  $26.44
  • K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    $23.99 Retail Price:  $25.29
  • CRE-1 Pentek Undersink Filter Replacement Cartridge

    CRE-1 Pentek Undersink Filter Replacement Cartridge

    $23.99 Retail Price:  $30.69
  • K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    $23.99 Retail Price:  $29.89
  • CQE-RC-04000 Crystal Quest Carbon Block Water Filter Cartridge
  • KDF55-10 Tier1 Water Filter

    KDF55-10 Tier1 Water Filter

    $23.99 Retail Price:  $27.34
  • D-30 Culligan Level 2 Undersink Filter Replacement Cartridge
  • PCF1-10MB Pentek Whole House Filter Replacement Cartridge
  • E5515-P Omnipure Replacement Filter Cartridge

    E5515-P Omnipure Replacement Filter Cartridge

    $25.99 Retail Price:  $31.04
  • 3M Aqua-Pure AP117 Whole House Water Filter Cartridge
  • DEV9108-17 Everpure CostGuard CG5-10S Undersink Filter Replacement Cartridge
  • AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    $28.99 Retail Price:  $32.19
  • Q5515-P Omnipure Replacement Filter Cartridge

    Q5515-P Omnipure Replacement Filter Cartridge

    $28.99 Retail Price:  $35.64
  • 3M Aqua-Pure AP1001 Whole House Water Filter Cartridge

32 Item(s)

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