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Water Filtration

Water Filtration for the whole home and at-the-sink. Shop complete systems, filter housings and cartridges, RO drinking water, and maintenance parts to improve taste, reduce chlorine/chloramine, and protect fixtures and appliances.

Featured brands: 3M, American Granby, Campbell, Elkay, EWS (Environmental Water Systems), The Source (twistIIClean), and Zurn Wilkins. Browse each brand below or filter to the exact type you need.

Shop by need

  • Whole-home systems: carbon filtration for city water; options with salt-free conditioning to help with scale (model dependent)
  • Under-sink drinking water: high-flow faucet filters, compact multi-stage kits, and RO (reverse osmosis) systems
  • Filter housings & cartridges: standard and high-flow sizes, sediment, carbon block/GAC, specialty media
  • Accessories & parts: install kits, valves, gauges, O-rings, wrenches, and replacement cartridges

Quick choosing guide

  1. Start with your source: municipal (chlorine/chloramine) vs well water—match filters or systems accordingly.
  2. Pick the application: whole-home (showers, laundry, appliances) or point-of-use (drinking/cooking at the sink).
  3. Size for flow: select system/house size to maintain pressure; match cartridge size (10", 20", “BB”) and micron rating to your goal.
  4. Taste vs maximum reduction: high-flow carbon for everyday taste/odor vs RO for maximum dissolved-solid reduction at a faucet.
  5. Plan maintenance: note change intervals (typically 6–12 months for cartridges; multi-year media on whole-home units).


  • EWS BB-FUGAC200A-1 whole house filtration system components and replacement filters
    EWS BB-FUGAC200A-1 two-stage point of entry whole house water filtration system

    EWS BB-FUGAC200A-1 Two-Stage Whole House Water Filtration System

    EWS
    $ 794.25 - $ 794.25
    $ 794.25
    $ 794.25 - $ 794.25
    $ 794.25

    EWS BB-FUGAC200A-1 Two-Stage Whole House Water Filtration System Brand: EWS | SKU: BB-FUGAC200A-1 Product Overview The EWS BB-FUGAC200A-1 is a ...

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    $ 794.25 - $ 794.25
    $ 794.25
    $ 794.25 - $ 794.25
    $ 794.25
  • EWS BB-PRESED-50-SW replacement pre-filter cartridge detail
    EWS BB-PRESED-50-SW replacement pre-filter for two-stage sediment system

    EWS BB-PRESED-50-SW 20 in. Sediment Pre-Filter Cartridge, 50 Micron

    EWS
    $ 126.75 - $ 126.75
    $ 126.75
    $ 126.75 - $ 126.75
    $ 126.75

    EWS BB-PRESED-50-SW 20 in. Sediment Pre-Filter Cartridge, 50 Micron Brand: EWS | SKU: BB-PRESED-50-SW Product Overview The EWS BB-PRESED-50-SW ...

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    $ 126.75 - $ 126.75
    $ 126.75
    $ 126.75 - $ 126.75
    $ 126.75
  • EWS BB-GACB-10RFA replacement filter for two-stage sediment system

    EWS BB-GACB-10RFA 20 in. Radial Flow Carbon Block Replacement Filter

    EWS
    $ 373.50 - $ 373.50
    $ 373.50
    $ 373.50 - $ 373.50
    $ 373.50

    EWS BB-GACB-10RFA 20 in. Radial Flow Carbon Block Replacement Filter Brand: EWS | SKU: BB-GACB-10RFA Product Overview The EWS BB-GACB-10RFA is ...

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    $ 373.50 - $ 373.50
    $ 373.50
    $ 373.50 - $ 373.50
    $ 373.50
  • A pile of black granular activated carbon media for water filtration systems.
    EWS whole house media replacement kit with tank, carbon media, and service components

    EWS Replacement Tank Kits with Media for EWS Series Systems

    EWS
    $ 2,240.25 - $ 3,740.25
    $ 2,240.25 - $ 3,740.25
    $ 2,240.25 - $ 3,740.25
    $ 2,240.25

    EWS Replacement Tank Kits with Media for EWS Series Systems Brand: EWS | Series: EWS Replacement Tank Kits Product Overview EWS replacement tan...

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    $ 2,240.25 - $ 3,740.25
    $ 2,240.25 - $ 3,740.25
    $ 2,240.25 - $ 3,740.25
    $ 2,240.25
  • EWS T-M/GAC1054 replacement carbon tank for CWL-1054 whole house system
    EWS CWL replacement carbon filtration tank for whole house systems

    EWS T-M/GAC1054 CWL-1054 Replacement Carbon Tank

    EWS
    $ 1,691.25 - $ 1,691.25
    $ 1,691.25
    $ 1,691.25 - $ 1,691.25
    $ 1,691.25

    EWS T-M/GAC1054 CWL-1054 Replacement Carbon Tank Brand: EWS | SKU: T-M/GAC1054 Product Overview The EWS T-M/GAC1054 is a replacement carbon tan...

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    $ 1,691.25 - $ 1,691.25
    $ 1,691.25
    $ 1,691.25 - $ 1,691.25
    $ 1,691.25
  • EWS T-M/GAC1035 replacement carbon tank for CWL-1035 whole house system
    EWS CWL replacement carbon filtration tank for whole house systems

    EWS T-M/GAC1035 CWL-1035 Replacement Carbon Tank

    EWS
    $ 1,466.25 - $ 1,466.25
    $ 1,466.25
    $ 1,466.25 - $ 1,466.25
    $ 1,466.25

    EWS T-M/GAC1035 CWL-1035 Replacement Carbon Tank Brand: EWS | SKU: T-M/GAC1035 Product Overview The EWS T-M/GAC1035 is a replacement carbon tan...

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    $ 1,466.25 - $ 1,466.25
    $ 1,466.25
    $ 1,466.25 - $ 1,466.25
    $ 1,466.25
  • EWS whole house water filtration and conditioning system product image

    EWS-1035 Whole House Filtration and Salt-Free Conditioning System

    EWS
    $ 3,221.25 - $ 3,221.25
    $ 3,221.25
    $ 3,221.25 - $ 3,221.25
    $ 3,221.25

    EWS-1035 Whole House Filtration and Salt-Free Conditioning System Brand: EWS | SKU: EWS-1035 Product Overview The EWS-1035 is a whole-house fil...

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    $ 3,221.25 - $ 3,221.25
    $ 3,221.25
    $ 3,221.25 - $ 3,221.25
    $ 3,221.25
  • EWS T-M/GAC-SPECTRUM replacement carbon tank for CWL Spectrum whole house systems

    EWS T-M/GAC-SPECTRUM CWL Spectrum Replacement Carbon Tank

    EWS
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25

    EWS T-M/GAC-SPECTRUM CWL Spectrum Replacement Carbon Tank Brand: EWS | SKU: T-M/GAC-SPECTRUM Product Overview The EWS T-M/GAC-SPECTRUM is a rep...

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    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
  • EWS T-M/GAC1354 replacement carbon tank for CWL-1354 whole house system
    EWS CWL replacement carbon filtration tank for whole house systems

    EWS T-M/GAC1354 CWL-1354 Replacement Carbon Tank

    EWS
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25

    EWS T-M/GAC1354 CWL-1354 Replacement Carbon Tank Brand: EWS | SKU: T-M/GAC1354 Product Overview The EWS T-M/GAC1354 is a replacement carbon tan...

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    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
  • EWS T-M/GAC-SPECTRUM replacement carbon tank for CWL Spectrum whole house systems
    EWS CWL replacement carbon filtration tank for whole house systems

    EWS T-M/GAC-SPECTRUM-V2 CWL Spectrum V2 Replacement Carbon Tank

    EWS
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25

    EWS T-M/GAC-SPECTRUM-V2 CWL Spectrum V2 Replacement Carbon Tank Brand: EWS | SKU: T-M/GAC-SPECTRUM-V2 Product Overview The EWS T-M/GAC-SPECTRUM...

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    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
    $ 2,591.25 - $ 2,591.25
    $ 2,591.25
  • EWS V2 whole house water filtration system shown with people for scale
    EWS V2 whole house water filtration system front view

    EWS CWL-1465-V2 Chloramine Treatment Whole House Water Filtration System

    EWS
    $ 4,717.50 - $ 4,717.50
    $ 4,717.50
    $ 4,717.50 - $ 4,717.50
    $ 4,717.50

    EWS CWL-1465-V2 Chloramine Treatment Whole House Water Filtration System Brand: EWS | SKU: CWL-1465-V2 Product Overview The EWS CWL-1465-V2 is ...

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    $ 4,717.50 - $ 4,717.50
    $ 4,717.50
    $ 4,717.50 - $ 4,717.50
    $ 4,717.50
  • EWS V2 whole house water filtration system shown with people for scale
    EWS V2 whole house water filtration system front view

    EWS CWL-1665-V2-1.5 Whole House Water Filtration System for Large Homes

    EWS
    $ 7,867.50 - $ 7,867.50
    $ 7,867.50
    $ 7,867.50 - $ 7,867.50
    $ 7,867.50

    EWS CWL-1665-V2-1.5 Whole House Water Filtration System for Large Homes Brand: EWS | SKU: CWL-1665-V2-1.5 Product Overview The EWS CWL-1665-V2-...

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    $ 7,867.50 - $ 7,867.50
    $ 7,867.50
    $ 7,867.50 - $ 7,867.50
    $ 7,867.50
  • EWS 1035 V2 whole house water treatment system shown with people for scale
    EWS 1035 V2 whole house water treatment system front view

    EWS CWL-1035-V2 Whole House Water Filtration System for Smaller Homes

    EWS
    $ 2,842.50 - $ 2,842.50
    $ 2,842.50
    $ 2,842.50 - $ 2,842.50
    $ 2,842.50

    EWS CWL-1035-V2 Whole House Water Filtration System for Smaller Homes Brand: EWS | SKU: CWL-1035-V2 Product Overview The EWS CWL-1035-V2 is a w...

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    $ 2,842.50 - $ 2,842.50
    $ 2,842.50
    $ 2,842.50 - $ 2,842.50
    $ 2,842.50
  • EWS V2 whole house water filtration system shown with people for scale
    EWS V2 whole house water filtration system front view

    EWS CWL-SPECTRUM-V2 Whole House Water Filtration System

    EWS
    $ 3,517.50 - $ 3,517.50
    $ 3,517.50
    $ 3,517.50 - $ 3,517.50
    $ 3,517.50

    EWS CWL-SPECTRUM-V2 Whole House Water Filtration System Brand: EWS | SKU: CWL-SPECTRUM-V2 Product Overview The EWS CWL-SPECTRUM-V2 is a whole h...

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    $ 3,517.50 - $ 3,517.50
    $ 3,517.50
    $ 3,517.50 - $ 3,517.50
    $ 3,517.50
  • EWS V2 whole house filtration system media detail
    EWS V2 whole house water filtration system front view

    EWS-1465-V2 Chloramine Treatment Whole House Filtration and Conditioning System

    EWS
    $ 5,471.25 - $ 5,471.25
    $ 5,471.25
    $ 5,471.25 - $ 5,471.25
    $ 5,471.25

    EWS-1465-V2 Whole House Filtration and Conditioning System Brand: EWS | SKU: EWS-1465-V2 Product Overview The EWS-1465-V2 is a whole-house filt...

    View full details
    $ 5,471.25 - $ 5,471.25
    $ 5,471.25
    $ 5,471.25 - $ 5,471.25
    $ 5,471.25
  • EWS 1035 V2 whole house water treatment system shown with people for scale
    EWS 1035 V2 whole house water treatment system front view

    EWS-1035-V2 Whole House Filtration and Salt-Free Conditioning System

    EWS
    $ 3,221.25 - $ 3,221.25
    $ 3,221.25
    $ 3,221.25 - $ 3,221.25
    $ 3,221.25

    EWS-1035-V2 Whole House Filtration and Conditioning System Brand: EWS | SKU: EWS-1035-V2 Product Overview The EWS-1035-V2 is a whole-house wate...

    View full details
    $ 3,221.25 - $ 3,221.25
    $ 3,221.25
    $ 3,221.25 - $ 3,221.25
    $ 3,221.25
  • EWS V2 whole house filtration system media detail
    EWS V2 whole house water filtration system front view

    EWS-SPECTRUM-V2 Whole House Filtration and Salt-Free Conditioning System

    EWS
    $ 4,346.25 - $ 4,346.25
    $ 4,346.25
    $ 4,346.25 - $ 4,346.25
    $ 4,346.25

    EWS-SPECTRUM-V2 Whole House Filtration and Conditioning System Brand: EWS | SKU: EWS-SPECTRUM-V2 Product Overview The EWS-SPECTRUM-V2 is a whol...

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    $ 4,346.25 - $ 4,346.25
    $ 4,346.25
    $ 4,346.25 - $ 4,346.25
    $ 4,346.25
  • EWS RT1035-V2 whole house water softener system with 1.0 cu ft resin tank

    EWS RT1035-V2 Whole House Water Softener System, 1.0 cu. ft. Resin

    EWS
    $ 2,535.00 - $ 2,535.00
    $ 2,535.00
    $ 2,535.00 - $ 2,535.00
    $ 2,535.00

    EWS RT1035-V2 Whole House Water Softener System, 1.0 cu. ft. Resin Brand: EWS | SKU: RT1035-V2 Product Overview The EWS RT1035-V2 is a whole ho...

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    $ 2,535.00 - $ 2,535.00
    $ 2,535.00
    $ 2,535.00 - $ 2,535.00
    $ 2,535.00

Pro tips: Install whole-home systems after the meter/PRV and before branches; bypass hose bibbs if you want untreated outdoor taps. Always flush new cartridges, keep spare O-rings on hand, and set a reminder for filter changes. Not sure where to start? Tell us city/well, pipe size, and what you want to improve—taste, odor, chlorine/chloramine, or scale—and we’ll dial it in.

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