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

Replacement Commercial Grade Water Filters

Need a new replacement water filter cartridge for your commercial water filtration system? Discount Filter Store has you covered.

Choose from some of the industry’s top commercial water filter brands including, Pentek, Omnipure, Purtrex, Manitowoc, with a variety of filter medias, including activated carbon blocks, granular activated carbon, pleated fabric, polypropylene, semi-permeable membrane, and more. With over 180+ sizes, brands, and styles of commercial water filter cartridges you’re guaranteed to find a water filter cartridge to meet your systems exact needs.

Looking for more than commercial water filters, check out our huge selection of household water filters, which includes everything from faucet filters to shower filters, and everything in-between.

Note: At DiscountFilterStore.com all of our replacement countertop water filters are backed by our 100% No Worries Price Match Guarantee, which means we guarantee you’ll get the lowest price or we’ll match the competitors’ lower price, we guarantee it.

24 Item(s)

Grid  List 

Set Descending Direction
  • CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    $75.99
    MSRP: $103.99
    Save 27%
  • CS-51 Cuno Inline Filter

    CS-51 Cuno Inline Filter

    $39.99
    MSRP: $42.34
    Save 6%
  • HC111-S Cuno Replacement Filter Cartridge

    HC111-S Cuno Replacement Filter Cartridge

    $38.49
    MSRP: $54.99
    Save 30%
  • EV4339-12 Everpure Claris L Replacement Hot Water Filter Cartridge

    EV4339-12 Everpure Claris L Hot Water Filter Cartridge

    $195.99
    MSRP: $205.84
    Save 5%
  • EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    EV9618-02 Everpure OCS2 Replacement Filter Cartridge

    $53.49
    MSRP: $69.99
    Save 24%
  • EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    $70.89
    MSRP: $87.99
    Save 19%
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    $69.49
    MSRP: $111.99
    Save 38%
  • E5320 Omnipure Replacement Filter Cartridge

    E5320 Omnipure Replacement Filter Cartridge

    $11.05
    MSRP: $21.99
    Save 50%
  • E5515-P Omnipure Replacement Filter Cartridge

    E5515-P Omnipure Replacement Filter Cartridge

    $27.79
    MSRP: $34.99
    Save 21%
  • E5615 Omnipure Replacement Filter Cartridge

    E5615 Omnipure Replacement Filter Cartridge

    $26.99
    MSRP: $40.24
    Save 33%
  • E5715 Omnipure Replacement Filter Cartridge

    E5715 Omnipure Replacement Filter Cartridge

    $45.99
    MSRP: $52.89
    Save 13%
  • E5715-P Omnipure Replacement Filter Cartridge

    E5715-P Omnipure Replacement Filter Cartridge

    $41.79
    MSRP: $55.99
    Save 25%
  • K2533JJ Omnipure Water Filter

    K2533JJ Omnipure Water Filter

    $11.99
    MSRP: $13.79
    Save 13%
  • Q5515 Omnipure Water Filter

    Q5515 Omnipure Water Filter

    $19.29
    MSRP: $40.99
    Save 53%
  • Q5515-P Omnipure Replacement Filter Cartridge

    Q5515-P Omnipure Replacement Filter Cartridge

    $30.99
    MSRP: $43.99
    Save 30%
  • Q5528 Omnipure Replacement Filter Cartridge

    Q5528 Omnipure Replacement Filter Cartridge

    $14.99
    MSRP: $21.99
    Save 32%
  • Q5615 Omnipure Replacement Filter Cartridge

    Q5615 Omnipure Replacement Filter Cartridge

    $32.09
    MSRP: $39.99
    Save 20%
  • Q5615-P Omnipure Replacement Filter Cartridge

    Q5615-P Omnipure Replacement Filter Cartridge

    $28.99
    MSRP: $36.79
    Save 21%
  • SCL10-B Omnipure Scale Inline Filter

    SCL10-B Omnipure Scale Inline Filter

    $12.99
    MSRP: $17.24
    Save 25%
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    $19.29
    MSRP: $25.99
    Save 26%
  • E5722-P Omnipure Carbon Block Water Filter

    E5722-P Omnipure Carbon Block Water Filter

    $33.99
    MSRP: $49.99
    Save 32%
  • E5615-P Omnipure E-Series Water Filter

    E5615-P Omnipure E-Series Water Filter

    $29.99
    MSRP: $42.54
    Save 30%
  • E5628 Omnipure E-Series Water Filter

    E5628 Omnipure E-Series Water Filter

    $14.99
    MSRP: $19.54
    Save 23%
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99
    MSRP: $237.99
    Save 26%

24 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top