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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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  • 36002017 PURA UV Lamp

    36002017 PURA UV Lamp

    $57.99 Retail Price:  $59.79
  • 10-212 Pentek UV Lamp

    10-212 Pentek UV Lamp

    $47.99 Retail Price:  $67.38
  • CBC-10 Pentek Replacement Filter Cartridge

    CBC-10 Pentek Replacement Filter Cartridge

    $15.99 Retail Price:  $18.34
  • EP-5 Pentek Replacement Filter Cartridge
  • TFM-24 Desal Reverse Osmosis Membrane

    TFM-24 Desal Reverse Osmosis Membrane

    $24.99 Retail Price:  $47.14
  • 801-20 Harmsco Replacement Filter Cartridge

    801-20 Harmsco Replacement Filter Cartridge

    $7.99 Retail Price:  $11.49
  • KO25HE2 Pentek Polypropylene High Efficiency Bag Filter
  • KO50G2S Pentek Polypropylene Bag Filter

    KO50G2S Pentek Polypropylene Bag Filter

    $6.19 Retail Price:  $9.42
  • KO50G4S Pentek Polypropylene Bag Filter

    KO50G4S Pentek Polypropylene Filter Bag

    $4.99 Retail Price:  $5.85
  • KO5G3S Pentek Polypropylene Bag Filter

    KO5G3S Pentek Polypropylene Filter Bags

    $4.99 Retail Price:  $7.00
  • OAC-20BB Pentek Oil Reduction Filter

    OAC-20BB Pentek Oil Reduction Water Filter

    $73.99 Retail Price:  $85.20
  • P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    $23.99 Retail Price:  $31.84
  • ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    $75.99 Retail Price:  $86.93
  • ROM-26T Pentek Reverse Osmosis Membrane

    ROM-26T Pentek Reverse Osmosis Membrane

    $73.99 Retail Price:  $84.05
  • ST-1 Pentek Filter Housing - Stainless Steel

    ST-1 Pentek Filter Housing - Stainless Steel

    $167.99 Retail Price:  $191.81

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