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

OmniFilter Water Filters & Parts

Improve your health and the environment with water from OmniFilter® water filters

From under sink water filters, which provide healthier better tasting water for drinking and cooking for you and your family, to faucet filters designed to give you bottled water quality without the waste or cost, OmniFilter® carries a wide assortment of water filtration products and filter cartridges* to meet all of your water filtration needs. All of our Omnipure® filtration products are backed by our No Worries Price Match Guarantee. Therefore, if you find an OmniFilter® filtration product/filter for less than our posted price, we’ll match the lower price, simply give us a call at 1-800-277-3458.

*Different water filter cartridges are used for Whole House and Under Sink filter applications.

24 Item(s)

Grid  List 

Set Descending Direction
  • OMNIFILTER-RS12-SS6-05

    OMNIFILTER-RS12-SS6-05

    $4.99
    MSRP: $8.04
    Save 38%
  • OW1 OmniFilter Filter Wrench
  • OMNIFILTER-RS3DS

    OMNIFILTER-RS3DS

    $7.99
    MSRP: $10.34
    Save 23%
  • OMNIFILTER-RS2DS

    OMNIFILTER-RS2DS

    $8.99
    MSRP: $11.03
    Save 18%
  • OW2 OmniFilter Filter Wrench
  • OW30 OmniFilter Water Filter Wrench

    OW30 OmniFilter Water Filter Wrench

    $3.99
    MSRP: $6.89
    Save 42%
  • OW40 OmniFilter Filter Wrench

    OW40 OmniFilter Water Filter Wrench

    $5.39
    MSRP: $7.92
    Save 32%
  • RS1-SS OmniFilter Whole House Water Filter
  • RS14-SS OmniFilter Whole House Water Filter
  • OMNIFILTER-OMNI-K2
  • OMNIFILTER-F1

    OMNIFILTER-F1

    $8.05
    MSRP: $20.69
    Save 61%
  • WC792P OmniFilter Filter Wrench
  • OW6 OmniFilter Filter Wrench
  • OW50 OmniFilter Filter Wrench

    OW50 OmniFilter Water Filter Wrench

    $7.99
    MSRP: $8.15
    Save 2%
  • RS3SS

    RS3SS

  • RS2SS

    RS2SS

    $6.99
    MSRP: $8.04
    Save 13%
  • RS14DS

    RS14DS

    $6.99
    MSRP: $8.15
    Save 14%
  • FRC1D

    FRC1D

    $6.99
    MSRP: $12.41
    Save 44%
  • RS7SS

    RS7SS

    $6.99
    MSRP: $8.38
    Save 17%
  • K4

    K4

    $3.99
    MSRP: $6.89
    Save 42%
  • OMNIFILTER-PF-300S

    OMNIFILTER-PF-300S

    $5.99
    MSRP: $9.19
    Save 35%
  • OMNIFILTER-P2240

    OMNIFILTER-P2240

    $9.99
    MSRP: $11.49
    Save 13%
  • OK7

    OK7

    $4.99
    MSRP: $8.04
    Save 38%
  • OK25

    OK25

    $4.99
    MSRP: $8.04
    Save 38%

24 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top