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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.

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  1. Pentek PD-10-30 Polypropylene Sediment Filter

    Pentek PD-10-30 Polypropylene Sediment Filter

    Standard 30 inch by 2.5 inch size and double open end design fits many common filter housings Learn More
    $19.99 Retail Price:  $22.34
  2. Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Pentek CFB-Plus10BB Fiberdyne Carbon Filter

    Standard 10 inch x 4.5 inch size fits many common whole house filter housings Learn More
    $23.99 Retail Price:  $25.29
  3. Pentek SCBC-10 Silvered Carbon Block

    Pentek SCBC-10 Silvered Carbon Block

    Standard 10 inch by 2.5 inch size fits many under sink filter housings Learn More
    $22.99 Retail Price:  $24.71
  4. CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    Fits into most Big Blue water filtration system housings that accept 20-inch x 4.5-inch filter cartridges Learn More
    $42.99 Retail Price:  $52.89
  5. CFB-Plus20 Pentek Replacement Filter Cartridge

    CFB-Plus20 Pentek Replacement Water Filter Cartridge

    Fits into most standard water filtration system housings that accept 20-inch x 2.5-inch filter cartridges Learn More
    $16.99 Retail Price:  $21.26
  6. CFB-Plus10 Pentek Replacement Filter Cartridge

    CFB-Plus10 Pentek Replacement Water Filter Cartridge

    Fits most standard sized water filtration system housings that accept 10-inch x 2.5-inch filter cartridges Learn More
    $9.99 Retail Price:  $14.13
  7. EP-30 Pentek Replacement Filter Cartridge

    EP-30 Pentek Replacement Water Filter Cartridge

    Built to fit into water filtration system housings that use 30-inch x 2.5-inch filter cartridges Learn More
    $37.99 Retail Price:  $46.10
  8. CRFC-BB Pentek Chloramine Reduction Water Filter

    CRFC-BB Pentek Chloramine Reduction Water Filter

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $61.79 Retail Price:  $73.36
  9. CB-25-2001 Hydronix Carbon Water Filter Replacement

    CB-25-2001 Hydronix Carbon Water Filter Replacement

    Sized at 20 x 2.5 inches. 1 micron. Learn More

    Regular Price: $17.99

    Special Price: $16.05

  10. CRFC-20BB Pentek Chloramine Reduction Water Filter

    CRFC-20BB Pentek Chloramine Reduction Water Filter

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $109.99 Retail Price:  $156.27
  11. PX20-9-78 Purtrex Replacement Filter Cartridge

    PX20-9-78 Purtrex Water Filter Cartridge

    Fits compact water filtration system housings that use 2.5-inch x 10-inch replacement filters Learn More
    $3.99 Retail Price:  $5.74
  12. PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    For industry standard filtration system housings that use 2.5-inch x 20-inch replacement filters Learn More
    $4.99 Retail Price:  $8.04
  13. CB-45-2010 Hydronix Replacement Filter Cartridge

    CB-45-2010 Hydronix Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $36.99 Retail Price:  $49.44
  14. CB-25-2010 Hydronix Replacement Filter Cartridge

    CB-25-2010 Hydronix Replacement Filter Cartridge

    Fits most housings that accept 20-inch x 2.5-inch water filter cartridges Learn More
    $14.99 Retail Price:  $17.34
  15. 801-20 Harmsco Replacement Filter Cartridge

    801-20 Harmsco Replacement Filter Cartridge

    Fits any industry standard housing that accepts 2.5-inch by 10-inch replacement filters Learn More
    $7.99 Retail Price:  $11.49
  16. CFBC-20 Pentek Replacement Filter Cartridge

    CFBC-20 Pentek Replacement Water Filter Cartridge

    Fits into most standard water filtration system housings that accept 20-inch x 2.5-inch cartridges Learn More
    $23.49 Retail Price:  $29.31
  17. MG-10MCB Pentek MicroGuard Replacement Filter Cartridge

    MG-10MCB Pentek MicroGuard Replacement Filter Cartridge

    Fits 3G housings Learn More
    $72.99 Retail Price:  $84.05
  18. OAC-20BB Pentek Oil Reduction Filter

    OAC-20BB Pentek Oil Reduction Water Filter

    Fits most Big Blue filtration system housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $73.99 Retail Price:  $85.20
  19. PX05-9-78 Purtrex Replacement Filter Cartridge

    PX05-9-78 Purtrex Replacement Water Filter

    For use in compact filtration system housings that use 2.5 x 10 inch filters Learn More
    $6.99 Retail Price:  $8.04
  20. PX05-20 Purtrex Replacement Filter Cartridge

    PX05-20 Purtrex Replacement Water Filter

    For filtration system housings that use 2.5-inch x 20-inch replacement water filters Learn More
    $4.99 Retail Price:  $9.19

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