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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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  1. K5605-JJ Omnipure Sediment Inline Filter

    K5605-JJ Omnipure Sediment Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $13.99 MSRP:  $18.39
  2. K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    Fits easily onto standard 3/8-inch water lines Learn More
    $15.99 MSRP:  $17.24
  3. K5633JJ Omnipure Inline GAC Filter Cartridge

    K5633JJ Omnipure Inline GAC Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $14.39 MSRP:  $18.85
  4. K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    Fits standard 3/8-inch water lines Learn More
    $14.39 MSRP:  $18.85
  5. Q5605 Omnipure Whole House Replacement Sediment Filter Cartridge

    Q5605 Omnipure Whole House Replacement Sediment Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $16.99 MSRP:  $17.24
  6. Q5620 Omnipure Replacement Filter Cartridge

    Q5620 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $19.99 MSRP:  $25.29
  7. Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $19.99 MSRP:  $24.14
  8. Q5633 Omnipure Replacement Filter Cartridge

    Q5633 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $16.99 MSRP:  $20.69
  9. Q5640 Omnipure Replacement Filter Cartridge

    Q5640 Omnipure Replacement Filter Cartridge

    Fits the Omnipure Q-Series Twist-Tap Filter Heads Learn More
    $15.99 MSRP:  $20.69
  10. K5605-BB Omnipure Inline Sediment Filter

    K5605-BB Omnipure Inline Sediment Filter

    Sized 2.5 inches W x 12 inches L; 5 Micron; 1/4-inch FPT Learn More
    $12.99 MSRP:  $17.24
  11. Q5648 Omnipure Calcite Water Filter

    Q5648 Omnipure Calcite Water Filter

    Sized 2.5 x 12 inches Learn More
    $16.99 MSRP:  $21.84
  12. GXRTQR GE Smart Water In-Line Comparable Replacement Cartridge by Tier1

    GXRTQR GE SmartWater Inline Comparable Replacement Cartridge by Tier1

    Fits the GE SmartWater GXRTQ filter system Learn More

    As Low As $14.00 Per Filter

  13. GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    GXRTQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXRTQ filter system Learn More

    As Low As $19.99 Per Filter

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