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

Items 97 to 144 of 190 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4

Grid  List 

Set Ascending Direction
  • K5633KK Omnipure Inline GAC Filter Cartridge

    K5633KK Omnipure Inline Water Filter Cartridge

    $14.39
    MSRP: $18.85
    Save 24%
  • OMNIPURE-Q5386

    OMNIPURE-Q5386

    $14.99
    MSRP: $20.00
    Save 25%
  • OMNIPURE-Q5486

    OMNIPURE-Q5486

    $15.39
    MSRP: $16.09
    Save 4%
  • QNVH-BB Omnipure Twist Tap 1/4-inch NPT Non-Valved Filter Head

    QNVH-BB Omnipure Twist-Tap Water Filter Head

    $11.99
    MSRP: $16.09
    Save 25%
  • OMNIPURE-QNVH-JJ

    OMNIPURE-QNVH-JJ

    $9.99
    MSRP: $13.79
    Save 28%
  • OMNIPURE-VH14

    OMNIPURE-VH14

    $19.19
    MSRP: $24.14
    Save 21%
  • VH14-JG Omnipure Valved Head

    VH14-JG Omnipure Valved Head

    $19.99
    MSRP: $25.29
    Save 21%
  • VH38 Omnipure Filter Head

    VH38 Omnipure Filter Head

    $19.19
    MSRP: $30.99
    Save 38%
  • ELF-1M-P-KDF Omnipure Water Filter Cartridge

    ELF-1M-P-KDF Omnipure Water Filter Cartridge

    $49.99
    MSRP: $55.99
    Save 11%
  • E5486 Omnipure Water Filter

    E5486 Omnipure Water Filter

    $17.99
    MSRP: $20.34
    Save 12%
  • IN1013-2 BevGuard Inline Water Filter

    IN1013-2 BevGuard Inline Water Filter

    $28.59
    MSRP: $35.99
    Save 21%
  • OMNIPURE-K2386-JJ

    OMNIPURE-K2386-JJ

    $10.05
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    $18.69
    MSRP: $24.99
    Save 25%
  • K2555-BB Omnipure Deionization Inline Water Filter

    K2555-BB Omnipure Deionization Inline Water Filter

    $22.09
    MSRP: $33.99
    Save 35%
  • K5515-JJ Omnipure Inline Water Filter

    K5515-JJ Omnipure Inline Water Filter

    $23.99
    MSRP: $29.89
    Save 20%
  • CL10ROT33-A Omnipure GAC Inline Water Filter

    CL10ROT33-A Omnipure GAC Inline Water Filter

    $10.99
    MSRP: $14.94
    Save 26%
  • K5605-BB Omnipure Inline Sediment Filter

    K5605-BB Omnipure Inline Sediment Filter

    $14.29
    MSRP: $20.99
    Save 32%
  • OMNIPURE-E5520-K

    OMNIPURE-E5520-K

    $19.79
    MSRP: $49.99
    Save 60%
  • OMNIPURE-E5722-P

    OMNIPURE-E5722-P

    $33.99
    MSRP: $49.99
    Save 32%
  • ELF-XL-1M-P-KDF Omnipure Carbon Block Water Filter

    ELF-XL-1M-P-KDF Omnipure Carbon Block Water Filter

    $39.59
    MSRP: $48.99
    Save 19%
  • CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System
  • IL-FILTER H2O International Inline Shower Filter Cartridge Replacement
  • TIER1-IC6-38Q

    TIER1-IC6-38Q

    $8.99
    MSRP: $12.99
    Save 31%
  • OMNIPURE-CL6PF5-C

    OMNIPURE-CL6PF5-C

    $8.89
    MSRP: $13.79
    Save 36%
  • K5528-BB Omnipure Carbon Inline Water Filter

    K5528-BB Omnipure Carbon Inline Water Filter

    $13.19
    MSRP: $20.99
    Save 37%
  • OMNIPURE-CL10ROT28-A

    OMNIPURE-CL10ROT28-A

    $8.99
    MSRP: $12.64
    Save 29%
  • CL6ROT33-A Omnipure GAC Inline Water Filter

    CL6ROT33-A Omnipure GAC Inline Water Filter

    $10.39
    MSRP: $14.99
    Save 31%
  • OMNIPURE-E5733

    OMNIPURE-E5733

    $15.69
    MSRP: $19.54
    Save 20%
  • OMNIPURE-K2305-KK

    OMNIPURE-K2305-KK

    $11.99
    MSRP: $24.14
    Save 50%
  • OMNIPURE-K2385-JJ

    OMNIPURE-K2385-JJ

    $17.99
    MSRP: $24.14
    Save 25%
  • Omnipure K2386-KK Inline Water Filter
  • K2553-JJ Omnipure Nitrate Water Filter

    K2553-JJ Omnipure Nitrate Water Filter

    $22.99
    MSRP: $28.74
    Save 20%
  • OMNIPURE-K5520BB

    OMNIPURE-K5520BB

    $25.39
    MSRP: $28.74
    Save 12%
  • OMNIPURE-K5615-BB

    OMNIPURE-K5615-BB

    $24.99
    MSRP: $31.04
    Save 19%
  • OMNIPURE-Q5328

    OMNIPURE-Q5328

    $10.99
    MSRP: $14.94
    Save 26%
  • Q5405 Omnipure Q-Series Sediment Water Filter

    Q5405 Omnipure Q-Series Sediment Water Filter

    $12.99
    MSRP: $16.04
    Save 19%
  • OMNIPURE-SL10-C

    OMNIPURE-SL10-C

    $27.39
    MSRP: $32.19
    Save 15%
  • TIER1-IN-WF0150

    TIER1-IN-WF0150

    $7.99
    MSRP: $14.99
    Save 47%
  • Coconut Shell Granular Activated Carbon Inline Water Filter by Tier1
  • PENTEK-255579-43

    PENTEK-255579-43

    $14.29
    MSRP: $18.99
    Save 25%
  • OMNIPURE-K2586-KK

    OMNIPURE-K2586-KK

    $14.29
    MSRP: $17.99
    Save 21%
  • HYDRONIX-ICF-2512-ALK

    HYDRONIX-ICF-2512-ALK

    $38.99
    MSRP: $50.99
    Save 24%
  • R200 Samsung Inline Water Filter Replacement by Tier1

    R200 OmniFilter Inline Water Filter Replacement by Tier1

    $7.99 MSRP: $12.99
    Save 38%
  • 255541-43 Pentek Inline Water Filter Replacement
  • OMNIPURE-K5666-KK

    OMNIPURE-K5666-KK

    $39.59
    MSRP: $50.99
    Save 22%
  • K2528-KK Omnipure GAC Inline Water Filter

    K2528-KK Omnipure GAC Inline Water Filter

    $11.99
    MSRP: $17.99
    Save 33%
  • WIC American Plumber Inline Quick Connect Filter

    WIC American Plumber Inline Quick Connect Filter

    $14.99
    MSRP: $19.99
    Save 25%

Items 97 to 144 of 190 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4

Grid  List 

Set Ascending Direction
Scroll To Top