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

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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).

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  1. TS-500 Culligan Large Capacity Inline Filter Replacement Cartridge
  2. GS-10-B Pentek Inline Filter Replacement Cartridge

    GS-10-B Pentek Replacement Inline Water Filter Cartridge

    For 1/4-inch water lines Learn More
    $11.09 MSRP:  $16.99
  3. GS-215-CB5-B Pentek Inline Filter Replacement Cartridge

    GS-215-CB5-B Pentek Inline Water Filter Cartridge

    Fits onto 1/4-inch water lines Learn More
    $27.19 MSRP:  $37.99
  4. GS-6RO-B Pentek Inline Filter Replacement Cartridge

    GS-6RO-B Pentek Inline Water Filter Cartridge

    Fits 1/4-inch water lines with 1/4-inch MPT Learn More
  5. AICRO Watts Inline Polishing Filter

    AICRO Watts Inline Polishing Filter

    Fits the Watts Flowmatic FMR04-MAN reverse osmosis water filtration system Learn More
    $7.99 MSRP:  $9.19
  6. AICRO-JGK Watts Inline Filter Cartridge

    AICRO-JGK Watts Inline Water Filter Cartridge

    For use with inline water filtration applications using 1/4-inch John Guest Quick Change fittings Learn More
    $10.99
  7. GXILQR GE SmartWater Inline Filter Replacement Cartridge

    GXILQR GE SmartWater Inline Filter Replacement Cartridge

    Fits the GE SmartWater GXILQ filter system Learn More
  8. ELF-DK7 Omnipure Filter Head

    ELF-DK7 Omnipure Filter Head

    Fits standard 3/8-inch water lines Learn More
    $10.99 MSRP:  $16.09
  9. K2533BB Omnipure Inline GAC Filter Cartridge

    K2533BB Omnipure Inline Water Filter Cartridge

    Fits onto standard 1/4-inch water lines Learn More
    $9.99 MSRP:  $13.79
  10. K2567-BB Omnipure Inline Filter

    K2567-BB Omnipure Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $16.49 MSRP:  $24.99
  11. K5515-BB Omnipure Lead Cyst Inline Filter

    K5515-BB Omnipure Lead Cyst Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $26.49 MSRP:  $35.99
  12. K5562-BB-NRW37 Omnipure Deionization Inline Filter

    K5562-BB-NRW37 Omnipure Deionization Inline Filter

    Fits standard 1/4-inch water lines Learn More
    $22.99 MSRP:  $25.29
  13. K5567BB Omnipure Inline Filter Replacement Cartridge

    K5567BB Omnipure Inline Filter Replacement Cartridge

    Fits standard 1/4-inch water lines Learn More
    $18.79 MSRP:  $23.91
  14. K5633BB Omnipure Inline GAC Filter Cartridge

    K5633BB Omnipure Inline GAC Filter Cartridge

    Fits standard 1/4-inch water lines Learn More
    $20.99 MSRP:  $23.34
  15. K5633CC Omnipure Inline GAC Filter Cartridge

    K5633CC Omnipure Inline GAC Water Filter

    Fits easily onto standard 3/8-inch water lines Learn More
    $15.99 MSRP:  $17.24
  16. QNVH-BB Omnipure Twist Tap 1/4-inch NPT Non-Valved Filter Head

    QNVH-BB Omnipure Twist-Tap Water Filter Head

    Fits onto standard 1/4-inch water lines Learn More
    $11.99 MSRP:  $16.09
  17. VH14 Omnipure Filter Head

    VH14 Omnipure Filter Head

    Fits standard 1/4-inch water lines Learn More
    $19.19 MSRP:  $30.99
  18. VH38 Omnipure Filter Head

    VH38 Omnipure Filter Head

    Fits standard 3/8-inch water lines Learn More
    $19.19 MSRP:  $30.99
  19. K2555-BB Omnipure Deionization Inline Water Filter

    K2555-BB Omnipure Deionization Inline Water Filter

    Sized 2 inches W x 10 inches L; 1/4 inch FPT Learn More
    $22.09 MSRP:  $33.99
  20. K5605-BB Omnipure Inline Sediment Filter

    K5605-BB Omnipure Inline Sediment Filter

    Sized 2.5 inches W x 12 inches L; 5 Micron; 1/4-inch FPT Learn More
    $14.29 MSRP:  $20.99
  21. K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    Sized 10 inches x 2.5 inches with 20 x 50 Mesh Learn More
    $13.19 MSRP:  $20.99
  22. K5520-BB Omnipure Carbon Block Inline Filter

    K5520-BB Omnipure Carbon Block Inline Filter

    1/4-inch FPT fittings Learn More
    $25.39 MSRP:  $30.99
  23. K5615-BB Omnipure Carbon Block Inline Filter

    K5615-BB Omnipure Carbon Block Inline Filter

    Fits 1/4 inch water lines Learn More
    $24.99 MSRP:  $31.04
  24. SL10-C Omnipure Phosphate Inline Filter

    SL10-C Omnipure Phosphate Inline Filter

    Uses 3/8-inch FPT connections Learn More
    $27.39 MSRP:  $34.99
  25. 255541-43 Pentek Inline Water Filter Replacement

Items 1 to 25 of 26 total

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