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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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.

Clear All
Compare

18 Item(s)

Grid  List 

Set Ascending Direction
  • E5515-P Omnipure Replacement Filter Cartridge

    E5515-P Omnipure Replacement Filter Cartridge

    $27.39
    MSRP: $34.99
    Save 22%
  • E5520 Omnipure Replacement Filter Cartridge

    E5520 Omnipure Replacement Filter Cartridge

    $21.99
    MSRP: $26.44
    Save 17%
  • OMNIPURE-E5615

    OMNIPURE-E5615

    $26.99
    MSRP: $40.24
    Save 33%
  • OMNIPURE-E5620-P

    OMNIPURE-E5620-P

    $22.19
    MSRP: $31.04
    Save 29%
  • OMNIPURE-E5720-P

    OMNIPURE-E5720-P

    $25.99
    MSRP: $32.19
    Save 19%
  • OMNIPURE-K2515-JJ

    OMNIPURE-K2515-JJ

    $22.09
    MSRP: $25.29
    Save 13%
  • OMNIPURE-K2520-JJ

    OMNIPURE-K2520-JJ

    $20.99
    MSRP: $24.14
    Save 13%
  • K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    $26.49
    MSRP: $35.99
    Save 26%
  • Q5615-P Omnipure Replacement Filter Cartridge

    Q5615-P Omnipure Replacement Filter Cartridge

    $28.99
    MSRP: $36.79
    Save 21%
  • Q5620-P Omnipure Replacement Filter Cartridge

    Q5620-P Omnipure Replacement Filter Cartridge

    $25.39
    MSRP: $36.99
    Save 31%
  • Q5621 Omnipure Replacement Filter Cartridge

    Q5621 Omnipure Replacement Filter Cartridge

    $21.09
    MSRP: $27.99
    Save 25%
  • Q5621-P Omnipure Replacement Filter Cartridge

    Q5621-P Omnipure Replacement Filter Cartridge

    $23.19
    MSRP: $35.99
    Save 36%
  • K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    $23.99
    MSRP: $29.89
    Save 20%
  • OMNIPURE-E5615-P

    OMNIPURE-E5615-P

    $29.99
    MSRP: $42.54
    Save 30%
  • OMNIPURE-E5620

    OMNIPURE-E5620

    $20.09
    MSRP: $36.79
    Save 45%
  • OMNIPURE-K5520BB

    OMNIPURE-K5520BB

    $25.39
    MSRP: $28.74
    Save 12%
  • OMNIPURE-K5520SS

    OMNIPURE-K5520SS

    $21.09
    MSRP: $27.59
    Save 24%
  • K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    K5515-JJ Omnipure Inline Water Filter Replacement by Tier1

    $15.99 MSRP: $49.99
    Save 68%

18 Item(s)

Grid  List 

Set Ascending Direction
Scroll To Top