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3-Stage Water Filtration Systems

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  • Everpure High Flow CSR MC2 Filtration System (Various Sizes)
    Everpure High Flow CSR MC2 Filtration System (Various Sizes)

    Everpure High Flow CSR MC2 Filtration System + Pre-Filter (Various Sizes)

    $925.20 - $1,681.80
    $925.20 - $1,681.80
    $925.20 - $1,681.80
    $925.20

    Pentair Everpure High Flow CSR MC2 systems provide quality water for fountain, coffee, and ice machine applications. Exclusive precoat filtration p...

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    $925.20 - $1,681.80
    $925.20 - $1,681.80
    $925.20 - $1,681.80
    $925.20

  • Omnipure TFK 10" Triple Ice Machine Filtration System (Lime/Scale Reduction)

    $169.99 - $169.99
    $169.99
    $169.99 - $169.99
    $169.99

    Omnipure TFK 10" Triple Ice Machine Filtration System: Applications: Ice Machines, Hot Beverages, Foodservice An Ideal Choice for High-Volume Loca...

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    $169.99 - $169.99
    $169.99
    $169.99 - $169.99
    $169.99

  • Omnipure TFKL 10" Triple Ice Machine Filtration System (Heavy Metals, Lead, Cyst)

    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $139.99

    Omnipure TFKL (Sediment, Heavy Metal, Lead, Cyst Reduction): Applications: High-Volume Ice Machines, Drinking Water Superior reduction of Heavy Me...

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    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $139.99
  • Everpure EV9100-37 CB20-312E Triple Filtration System
    Everpure EV9100-37 CB20-312E Triple Filtration System

    Everpure EV9100-37 CB20-312E Triple Chloramines Reduction Filtration System

    $769.90 - $1,491.00
    $769.90 - $1,491.00
    $769.90 - $1,491.00
    $769.90

    HIGH FLOW, HIGH CAPACITY CARBON FILTER FOR CHLORINE AND CHLORAMINES REDUCTION. Applications: Coffee, Fountain, Ice For high-flow, high-volume...

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    $769.90 - $1,491.00
    $769.90 - $1,491.00
    $769.90 - $1,491.00
    $769.90
  • Everpure EV9329-73 High Flow CSR Triple 7FC Filtration System with Pre-Filter
    Everpure EV9329-73 High Flow CSR Triple 7FC Filtration System with Pre-Filter

    Everpure EV9329-73 High Flow CSR Triple 7FC Filtration System + Pre-Filter (Combination)

    $1,325.16 - $1,325.16
    $1,325.16
    $1,325.16 - $1,325.16
    $1,325.16

    DELIVERS PREMIUM QUALITY WATER FOR HIGH FLOW COMBINATION APPLICATIONS. Applications: Multiple Equipment and Combination Applications, High-Volume ...

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    $1,325.16 - $1,325.16
    $1,325.16
    $1,325.16 - $1,325.16
    $1,325.16
  • OptiPure FX-22P+ 160-50035 Triple Filter System 6.0 GPM (Fountain)

    OptiPure 160-50035 FX-22P+ 20" Triple Filter System 6.0 GPM (Fountain)

    $694.88 - $694.88
    $694.88
    $694.88 - $694.88
    $694.88

    The FX-22P+ is a triple-housing water treatment system with drop-in 20” cartridges that reduces sediment down to 0.5-microns and reduces chlorine, ...

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    $694.88 - $694.88
    $694.88
    $694.88 - $694.88
    $694.88
  • OptiPure FXI-22P+ 160-50125 Triple Filtration System (Ice Machines)

    OptiPure 160-50125 FXI-22P+ 20" Scale Reduction Triple Filtration System 6.0 GPM 0.5 Micron (Ice)

    $706.00 - $706.00
    $706.00
    $706.00 - $706.00
    $706.00

    The FXI-22P+ is a triple-housing water treatment system with drop-in 20” cartridges that reduces sediment down to 0.5-microns and reduces chlorine,...

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    $706.00 - $706.00
    $706.00
    $706.00 - $706.00
    $706.00

  • Omnipure TFKE 10" Triple Espresso Machine Filtration System (Softening)

    $169.99 - $169.99
    $169.99
    $169.99 - $169.99
    $169.99

    Omnipure TFKE 10" Triple Espresso Machine Filtration System: Espresso/Cappuccino Water Filter Kits All kits are pre-assembled as shown Superior pr...

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    $169.99 - $169.99
    $169.99
    $169.99 - $169.99
    $169.99

  • Omnipure EFS3 14" Triple Espresso Filtration System (CTO & Softening)

    $234.99 - $234.99
    $234.99
    $234.99 - $234.99
    $234.99

      Application: Espresso Machines The Omnipure EFS3 triple espresso machine water filter kit is easy to use and is perfect for small-medium use wit...

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    $234.99 - $234.99
    $234.99
    $234.99 - $234.99
    $234.99
  • Everpure EV9328-03 Coldrink 3 MC2 Triple Filtration System with Pre-Filter (2 Carbonators)
    Everpure EV9328-03 Coldrink 3 MC2 Triple Filtration System with Pre-Filter (2 Carbonators)

    Everpure EV9328-03 Coldrink 3 MC2 Triple Filtration System + Pre-Filter (Fountain, 2 Carbonators)

    $954.00 - $954.00
    $954.00
    $954.00 - $954.00
    $954.00

    The Pentair Coldrink-MC2 Systems are ideal for fountain applications. Its MC2 Cartridge is a quick-change solution that improves the taste of fount...

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    $954.00 - $954.00
    $954.00
    $954.00 - $954.00
    $954.00
  • Everpure EV9761-23 Coldrink 3 XCLM+ Filtration System with Pre-Filter
    Everpure EV9761-23 Coldrink 3 XCLM+ Filtration System with Pre-Filter

    Everpure EV9761-23 Coldrink 3 XCLM+ Filtration System + Pre-Filter (Fountain)

    $1,199.40 - $1,199.40
    $1,199.40
    $1,199.40 - $1,199.40
    $1,199.40

    The Pentair Everpure Cold Drink 3-7CLM+ System is a high-capacity chloramines-reducing system ideal for foodservice operations with high water usag...

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    $1,199.40 - $1,199.40
    $1,199.40
    $1,199.40 - $1,199.40
    $1,199.40

  • Omnipure TFKL 10" Triple Drinking Water Filtration System (Heavy Metals, Lead, VOCs)

    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $139.99

    Omnipure TFKL 10" Triple Drinking Water Filtration System: Applications: Water Coolers, Drinking Water, Ice Machines Superior reduction of Heavy M...

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    $139.99 - $139.99
    $139.99
    $139.99 - $139.99
    $139.99

  • Omnipure IMF3 20" Triple Ice Machine Filtration System (Sediment, Scale Reduction)

    $339.99 - $339.99
    $339.99
    $339.99 - $339.99
    $339.99

    Omnipure IMF3 Triple Ice Machine System: The Perfect Choice for High-Volume Ice Machines Lime/Scale, Taste, Odor Chlorine and Particulate Reducti...

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    $339.99 - $339.99
    $339.99
    $339.99 - $339.99
    $339.99
  • Everpure EV9324-75 Insurice Triple PF-7SI Filtration System

    Everpure EV9324-75 Insurice Triple PF-7SI Filtration System (Ice)

    $892.20 - $892.20
    $892.20
    $892.20 - $892.20
    $892.20

    SEDIMENT FILTRATION (0.5 MICRON) FOR PREMIUM QUALITY WATER FOR ICE APPLICATIONS. The Everpure EV932475 Insurice Triple PF-7SI System with Pre-Filte...

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    $892.20 - $892.20
    $892.20
    $892.20 - $892.20
    $892.20
  • Everpure EV9202-43 QC7I Triple 4FC Filtration System

    Everpure EV9202-43 QC7I Triple 4FC Filtration System (Fountain)

    $596.02 - $596.02
    $596.02
    $596.02 - $596.02
    $596.02

    The QC7I Triple 4FC water filtration system features exclusive Fibredyne™ II bacteriostatic media that filters sediment down to 0.2 microns* and ...

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    $596.02 - $596.02
    $596.02
    $596.02 - $596.02
    $596.02
  • Everpure EV9437-41 Endurance SC High Flow Triple Filtration System
    Everpure EV9437-41 Endurance SC High Flow Triple Filtration System

    Everpure EV9437-41 Endurance SC High Flow Triple Filtration System (Combination)

    $611.48 - $3,287.40
    $611.48 - $3,287.40
    $611.48 - $3,287.40
    $611.48

    All the benefits of the Everpure Endurance platform plus ultrafilter membrane-based pretreatment. The Everpure Endurance SC High Flow SEN Filter Sy...

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    $611.48 - $3,287.40
    $611.48 - $3,287.40
    $611.48 - $3,287.40
    $611.48
  • Everpure EV9437-31 Endurance High Flow Triple Filtration System
    Everpure EV9437-31 Endurance High Flow Triple Filtration System

    Everpure EV9437-31 Endurance High Flow Triple Filtration System (Combination)

    $890.51 - $1,941.60
    $890.51 - $1,941.60
    $890.51 - $1,941.60
    $890.51

    Everpure Endurance High Flow Filtration Systems can meet your peak water demands today and tomorrow, delivering premium quality water for high volu...

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    $890.51 - $1,941.60
    $890.51 - $1,941.60
    $890.51 - $1,941.60
    $890.51
  • Everpure EV9328-73 Coldrink 3 7FC Filtration System

    Everpure EV9328-73 Coldrink 3 7FC Filtration System (Fountain)

    $1,243.20 - $1,243.20
    $1,243.20
    $1,243.20 - $1,243.20
    $1,243.20

    The Pentair Everpure Coldrink-FC System is ideal for foodservice operations with high water usage for beverages and ice. Its 7FC Filter is a quick-...

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    $1,243.20 - $1,243.20
    $1,243.20
    $1,243.20 - $1,243.20
    $1,243.20
  • Everpure EV9202-23 QC7I Triple 4FC5 Filtration System

    Everpure EV9202-23 QC7I Triple 4FC5 Filtration System (Fountain)

    $577.52 - $577.52
    $577.52
    $577.52 - $577.52
    $577.52

    The QC7I Triple 4FC5 system delivers consistent quality water for fountain beverage applications. Chlorine & odor reduction, integrated pre...

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    $577.52 - $577.52
    $577.52
    $577.52 - $577.52
    $577.52
  • Everpure EV9324-74 Insurice Triple 7SI Filtration System (Ice Machines)

    Everpure EV9324-74 Insurice Triple 7SI Filtration System (Ice)

    $745.80 - $745.80
    $745.80
    $745.80 - $745.80
    $745.80

    The Everpure EV9324-74 Insurice Triple-7SI Filtration System is a sediment filtration system specifically designed for ice applications. For use w...

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    $745.80 - $745.80
    $745.80
    $745.80 - $745.80
    $745.80
  • Everpure EV9771-23 Coldrink 3 7CLM+ Filtration System with Pre-Filter (2 Carbonators)
    Everpure EV9771-23 Coldrink 3 7CLM+ Filtration System with Pre-Filter (2 Carbonators)

    Everpure EV9771-23 Coldrink 3 7CLM+ Filtration System + Pre-Filter (Fountain, 2 Carbonators)

    $1,078.80 - $1,078.80
    $1,078.80
    $1,078.80 - $1,078.80
    $1,078.80

    The Everpure Coldrink 3-7CLM+ Chloramine Reduction Filter System with Pre-Filter is designed to supply safe, clean water to your fountain beverage ...

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    $1,078.80 - $1,078.80
    $1,078.80
    $1,078.80 - $1,078.80
    $1,078.80
  • Everpure EV9771-13 QC7I Triple-7CLM+ Filtration System (2-3 Carbonators)

    Everpure EV9771-13 QC7I Triple 7CLM+ Filtration System (Fountain, 2-3 Carbonators)

    $900.60 - $900.60
    $900.60
    $900.60 - $900.60
    $900.60

    Pentair's QC7I Triple-7CLM+ Filtration System is a high capacity, quick change chloramines reduction solution for fountain beverage applications. T...

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    $900.60 - $900.60
    $900.60
    $900.60 - $900.60
    $900.60
  • Everpure EV9327-73 Insurice PF Triple 7FC-S Filtration System with Pre-Filter
    Everpure EV9327-73 Insurice PF Triple 7FC-S Filtration System with Pre-Filter

    Everpure EV9327-73 Insurice PF Triple 7FC-S Filtration System + Pre-Filter (Ice)

    $1,239.00 - $1,239.00
    $1,239.00
    $1,239.00 - $1,239.00
    $1,239.00

    The Everpure EV9327-73 Insurice PF Triple 7FC-S System reduces chlorine, taste, odor, and other offensive contaminants and also has an integrated b...

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    $1,239.00 - $1,239.00
    $1,239.00
    $1,239.00 - $1,239.00
    $1,239.00

Best Sellers

  • Everpure ESO7 Water Filter & Softening Cartridge (1.0 GPM)

    Everpure ESO7 EV9607-25 Water Filter Softening Cartridge 1.0 GPM (Espresso)

    $149.33 - $149.33
    $149.33
    $149.33 - $149.33
    $149.33

    The Everpure ESO 7 EV960725 Cartridge has a unique three-stage blending process to provide softened, buffered, filtered water for specialty coffee,...

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    $149.33 - $149.33
    $149.33
    $149.33 - $149.33
    $149.33
  • OptiPure CTO-Q10 300-05828 10" Filter Cartridge
    OptiPure CTO-Q10 300-05828 10" Filter Cartridge

    OptiPure 300-05828 CTO-Q10 10" Filter Cartridge 1.5 GPM 0.5 Micron

    $80.79 - $80.79
    $80.79
    $80.79 - $80.79
    $80.79

    The Pentair OptiPure CTO-Q10 is a 10” Qwik-Twist cartridge for use in OptiPure QT10 Series Systems to reduce sediment down to 0.5-microns and reduc...

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    $80.79 - $80.79
    $80.79
    $80.79 - $80.79
    $80.79
  • OptiPure QTI1+CR Dual Replacement Cartridge Kit
    OptiPure QTI1+CR Dual Replacement Cartridge Kit

    OptiPure 170-52081 QTI1+CR Replacement Cartridge Kit (CTO-Q10, CTOS-QCR)

    $176.43 - $176.43
    $176.43
    $176.43 - $176.43
    $176.43

    The CTO-Q10 is a 10” Qwik-Twist cartridge that reduces sediment down to 0.5 microns and reduces chlorine, taste & odor at a flow rate of 1.5 GP...

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    $176.43 - $176.43
    $176.43
    $176.43 - $176.43
    $176.43
  • Everpure DEV9830-01 HQS-WF Filter Cartridge

    Everpure DEV9830-01 HQS-WF Filter Cartridge

    $52.91 - $52.91
    $52.91
    $52.91 - $52.91
    $52.91

    Application: Produces perfect water for premium drinking water applications. Fits Everpure QL1 and QL3b heads. Part of a sanitary quick-change fil...

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    $52.91 - $52.91
    $52.91
    $52.91 - $52.91
    $52.91
  • OptiPure AMS-QT15 204-52820 Replacement RO Membrane

    OptiPure 204-52820 AMS-QT15 10" Reverse Osmosis RO Membrane 175 GPD

    $353.97 - $353.97
    $353.97
    $353.97 - $353.97
    $353.97

    The AMS-QT15 is a 10″ Qwik-Twist replacement membrane for BWS200 and OP175 systems that reduces Total Dissolved Solids (TDS), scale-causing mineral...

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    $353.97 - $353.97
    $353.97
    $353.97 - $353.97
    $353.97
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3-Stage Water Filtration Systems

A 3-stage water filtration system is another type of water purification setup designed to improve water quality by removing various impurities and contaminants. As the name suggests, it consists of three distinct stages, each serving a specific purpose in filtration. Let's explore each stage:

  1. Sediment Filtration: The first stage involves passing the water through a sediment filter, similar to the 4-stage system. This filter is designed to remove large particles, such as sediment, silt, sand, rust, and other visible debris. By eliminating these larger particles, the subsequent filtration stages can work more effectively and prevent damage to delicate filters downstream.
  2. Carbon Filtration: In the second stage, the water passes through an activated carbon filter in the 4-stage system. Activated carbon has a large surface area with high adsorption properties, allowing it to trap and remove a wide range of contaminants. It can effectively remove chlorine, volatile organic compounds (VOCs), certain chemicals, bad tastes, and odors from the water, improving its quality.
  3. Reverse Osmosis (RO) Filtration: The third and final stage of the 3-stage water filtration system involves using a reverse osmosis membrane, just like the 4-stage system. During this stage, water is forced through the semi-permeable RO membrane, which has very fine pores that can block smaller particles and impurities. Reverse osmosis removes heavy metals, dissolved solids, bacteria, viruses, and other harmful contaminants, resulting in purified water.

While a 3-stage water filtration system lacks the additional "Post-Carbon Filtration" stage present in the 4-stage system, it still significantly improves water quality. The three stages work together to remove different types of impurities, ensuring that the water is clean, safe, and free from various contaminants.

3-stage water filtration systems are commonly used in households and commercial settings where water quality needs improvement. Still, there might not be a requirement for the additional polishing step offered by the fourth stage of the more comprehensive 4-stage systems. However, the choice between a 3-stage and 4-stage system ultimately depends on the user's specific needs and water quality concerns.