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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.

Items 145 to 192 of 296 total

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  • MAXPB-975 Watts C-MAX Replacement Filter Cartridge

    MAXPB-975 Watts C-MAX Water Filter Cartridge

    $17.99 Retail Price:  $20.69
  • MAXVOC-975 Watts C-MAX Replacement Filter Cartridge

    MAXVOC-975 Watts C-MAX Water Filter Cartridge

    $18.99 Retail Price:  $22.99
  • Whirlpool WHAB-6009 Replacement Unit A Water Filter Cartridge

    WHAB-6009 Whirlpool Replacement Unit A Filter Cartridge

    $36.99 Retail Price:  $43.34
  • 41400009 Hydrotech Reverse Osmosis Filter

    41400009 Hydrotech Reverse Osmosis Filter

    $14.99 Retail Price:  $18.39
  • 41400010 Hydrotech Lead Filter
  • 41400011 Hydrotech Replacement Filter Cartridge

    41400011 Hydrotech Replacement Filter Cartridge

    $15.99 Retail Price:  $19.54
  • R1100 OmniFilter Quick Change Inline Refrigerator Filter
  • R800 OmniFilter Quick Change Inline Refrigerator Filter

    R800 OmniFilter Quick Change Inline Filter

    $28.99 Retail Price:  $35.64
  • E5320 Omnipure Replacement Filter Cartridge

    E5320 Omnipure Replacement Filter Cartridge

    Regular Price: $12.99

    Special Price: $11.05

  • E5515-P Omnipure Replacement Filter Cartridge

    E5515-P Omnipure Replacement Filter Cartridge

    $25.99 Retail Price:  $31.04
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99 Retail Price:  $26.44
  • E5615 Omnipure Replacement Filter Cartridge

    E5615 Omnipure Replacement Filter Cartridge

    $26.99 Retail Price:  $40.24
  • E5620-P Omnipure Replacement Filter Cartridge

    E5620-P Omnipure Replacement Filter Cartridge

    $20.99 Retail Price:  $31.04
  • E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    $45.99 Retail Price:  $52.89
  • E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    $39.99 Retail Price:  $57.49

Items 145 to 192 of 296 total

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