Discount Water Filters and Air Filters at Discount Filter Store.com

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Water Filtration Systems, Filters, & Parts

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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40 Item(s)

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  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99
    MSRP: $17.99
    Save 33%
  • CL10ROT33-B Omnipure Comparable Inline Water Filter by Tier1
  • K5686-JJ Omnipure Comparable Inline Water Filter by Tier1

    K5686-JJ Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2333-JJ Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • K2540-JJ Omnipure Comparable Inline Water Filter by Tier1
  • K2533BB Omnipure Comparable Inline Water Filter by Tier1

    K2533BB Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • K5567JJ Omnipure Comparable Inline Water Filter by Tier1

    K5567JJ Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • CL10ROT33-C-Omnipure Comparable Inline Water Filter by Tier1
  • CL10ROT40-B Omnipure Comparable Inline Water Filter by Tier1
  • K2528-JJ Omnipure Comparable Inline Water Filter by Tier1
  • K2567-BB Omnipure Comparable Inline Water Filter by Tier1

    K2567-BB Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • CL10ROT40-C Omnipure Comparable Inline Water Filter by Tier1
  • K5586-JJ Omnipure Comparable Inline Water Filter by Tier1

    K5586-JJ Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • K5528-BB Omnipure Comparable Inline Water Filter by Tier1

    K5528-BB Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • K2533TJ Omnipure Comparable Inline Water Filter by Tier1

    K2533TJ Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • K2540-TJ Omnipure Comparable Inline Water Filter by Tier1
  • K5553-BB Omnipure Comparable Inline Water Filter by Tier1

    K5553-BB Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • K5686-BB Omnipure Comparable Inline Water Filter by Tier1
  • K2328-JJ Omnipure Comparable Inline Water Filter by Tier1

    K2328-JJ Omnipure Comparable Inline Water Filter by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • 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
  • K2386-KK Omnipure Inline Coconut Carbon Water Filter Replacement by Tier1
  • K2528-KK Omnipure Comparable Inline Coconut Carbon Water Filter Tier1
  • K2333-JJ Omnipure Inline Filter

    K2333-JJ Omnipure Inline Filter

    $12.19
    MSRP: $20.99
    Save 42%
  • K2333-KK Omnipure Inline Filter

    K2333-KK Omnipure Inline Filter

    $14.29
    MSRP: $19.99
    Save 29%
  • K2528-JJ Omnipure Inline Filter

    K2528-JJ Omnipure Inline Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • K2533JJ Omnipure Water Filter

    K2533JJ Omnipure Water Filter

    $11.99
    MSRP: $13.79
    Save 13%
  • K2533-KK Omnipure Inline Filter

    K2533-KK Omnipure Inline Filter

    $13.99
    MSRP: $14.94
    Save 6%
  • K2540-JJ Omnipure Inline Coconut Carbon Filter

    K2540-JJ Omnipure Inline Coconut Carbon Filter

    $13.19
    MSRP: $19.99
    Save 34%
  • K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge
  • K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    $20.99
    MSRP: $26.44
    Save 21%
  • K5586-JJ Omnipure Inline Phosphate Filter

    K5586-JJ Omnipure Inline Phosphate Filter

    $16.49
    MSRP: $27.99
    Save 41%
  • K5633JJ Omnipure Inline GAC Filter Cartridge

    K5633JJ Omnipure Inline GAC Filter Cartridge

    $15.79
    MSRP: $22.99
    Save 31%
  • K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    $14.39
    MSRP: $18.85
    Save 24%
  • Q5386 Omnipure Inline Filter Replacement Cartridge

    Q5386 Omnipure Inline Filter Replacement Cartridge

    $14.99
    MSRP: $20.00
    Save 25%
  • Q5486 Omnipure Twist-Tap Inline Filter Replacement Cartridge
  • K2386-JJ Omnipure Inline Phosphate Water Filter

    K2386-JJ Omnipure Inline Phosphate Water Filter

    $10.05
    MSRP: $17.24
    Save 42%
  • K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    $18.69
    MSRP: $24.99
    Save 25%
  • Omnipure K2386-KK Inline Water Filter

40 Item(s)

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