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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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  • 265062 American Hydro Systems Inline Filter for Siphoning Feeder Systems

    265062 American Hydro Systems Siphoning Feeder Filter

    $34.21 Retail Price:  $41.64
  • 600R American Plumber Undersink Filter Replacement Cartridge

    600R American Plumber Undersink Water Filter Cartridge

    $31.99 Retail Price:  $35.06
  • WIC-600 American Plumber Undersink Filter System

    WIC-600 American Plumber Undersink Filter System

    $55.99 Retail Price:  $58.34
  • 3M Aqua-Pure AP431 Inline Filter Replacement Cartridge

    AP431 3M Aqua-Pure Inline Filter Replacement Cartridge

    $30.99 Retail Price:  $33.25
  • 3M Aqua-Pure AP460 Replacement Filter Cartridge
  • 3M Aqua-Pure APIL3R Inline Water Filter

    APIL3R 3M Aqua-Pure Inline Water Filter Cartridge

    $40.99 Retail Price:  $45.41
  • IC-EZ-3 Culligan Level 3 Easy-Change Inline Filter System
  • IC-EZ-4 Culligan Level 4 Easy-Change Inline Filter System
  • RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
  • GXRLQ GE SmartWater Inline Filter System

    GXRLQ GE SmartWater Inline Filter System

    $33.99 Retail Price:  $36.79
  • GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    GXRLQR GE SmartWater Inline Filter Replacement Cartridge

    $32.99 Retail Price:  $34.99
  • GG-2010 Rainshowr Gard'n Gro Garden Dechlorinator

    GG-2010 Rainshowr Gard'n Gro Garden Dechlorinator

    $56.99 Retail Price:  $67.84
  • GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    GK-1 Rainshowr Green Knight Hydroponic Dechlorinator

    Regular Price: $64.99

    Special Price: $57.05

  • PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    PFGG Rainshowr Gard'n Gro Garden Sediment Pre-Filter

    $46.99 Retail Price:  $56.34
  • RCGG Rainshowr Gard'n Gro Garden Dechlorinator Replacement Cartridge (2-Pack) - 1
  • WSRV-8 Water Sentinel Inline RV Water Filter

    WSRV-8 Water Sentinel Inline RV Water Filter

    $31.99 Retail Price:  $36.79
  • GXRTQ GE SmartWater Inline Filter System
  • IF14C Ice-O-Matic Inline Water Filtration Cartridge

    IF14C Ice-O-Matic Inline Water Filter

    $90.99 Retail Price:  $97.74
  • IF18C Ice-O-Matic Inline Water Filtration Cartridge - 1

    IF18C Ice-O-Matic Inline Water Filter Cartridge

    $99.99 Retail Price:  $117.29
  • 800R OmniFilter Quick Change Replacement Filter Cartridge
  • R1100 OmniFilter Quick Change Inline Refrigerator Filter
  • ELF-1M-P-KDF Omnipure Water Filter Cartridge

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

    $34.99 Retail Price:  $37.34
  • CQE-RF-00703 Crystal Quest Refrigerator/Inline PLUS Water Filtration System
  • ICF-2512-ALK Hydronix Inline Coconut Carbon Filter Cartridge
  • K5666-KK Omnipure Inline Fluoride Filter

    K5666-KK Omnipure Inline Fluoride Filter

    $38.99 Retail Price:  $50.99

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