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

Inline Water Filters

Keep crystal clear clean water flowing through your house, faucets, and appliances with a new brand name inline water filter.

Looking for an inline post filter for your reverse osmosis water filter system or for an inline filter to use in one of your home appliances (i.e. washing machine or dishwasher)? Choose from over 130+ inline water filters, from the industry’s best performing brands, including Watts®, Culligan®, GE, Whirlpool®, and more. From American Plumber to Whirlpool inline water filters, 0.5 micron to 30 micron filter element ratings, activated carbon to polypropylene filter media, DiscountFilterStore.com has all your inline water filter needs conveniently in one place and at prices guaranteed to beat the big box stores (100% Price Match Guarantee).

If inline filters for your home appliances isn’t quite what you’re looking for? We also carry a number of inline water filters, dechlorinators, and sediment pre-filters for use in your garden (Rainshow’r).

Clear All
Compare

11 Item(s)

Grid  List 

Set Descending Direction
  1. RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge

    Fits Culligan Easy-Change filter systems including IC-EZ-3, US-EZ-3, and RV-EZ-3 Learn More
    $24.99 MSRP:  $31.04
  2. GXRTDR GE SmartWater Inline Filter Cartridge

    GXRTDR GE SmartWater Inline Filter Cartridge

    Fits any 1/4-inch plastic or copper water line Learn More
    $20.79 MSRP:  $30.99 As low as: $20.79
  3. WHKF-IMPLUS Whirlpool Inline Filter System
  4. R800 OmniFilter Quick Change Inline Refrigerator Filter
  5. K2515-JJ Omnipure Lead Cyst Inline Filter

    K2515-JJ Omnipure Lead Cyst Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $21.89 MSRP:  $33.99
  6. K2520-JJ Omnipure Inline Filter

    K2520-JJ Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $20.79 MSRP:  $29.99
  7. K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge

    K2567JJ Omnipure Inline GAC and KDF-55 Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $21.99
  8. K5520SS Omnipure Inline GAC Filter Cartridge

    K5520SS Omnipure Inline GAC Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $20.89 MSRP:  $33.99
  9. K5567JJ Omnipure Inline Filter Replacement Cartridge

    K5567JJ Omnipure Replacement Inline Water Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $20.99 MSRP:  $26.44
  10. K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    Sized 2.5 inches W x 10 inches L; 1 Micron; 1/4 inch FQC Learn More
    $23.99 MSRP:  $29.89
  11. K2553-JJ Omnipure Nitrate Water Filter

    K2553-JJ Omnipure Nitrate Water Filter

    Sized 2 x 10, attaches with 1/4 inch FQC fittings Learn More
    $22.99 MSRP:  $28.74

11 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top