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4-Stage Water Filtration Systems

  • Omnipure EFS4 14" Quad Espresso Filtration System (CTO & Softening)

    Original price $264.99 - Original price $264.99
    Original price
    $264.99
    $264.99 - $264.99
    Current price $264.99

    OMNIPURE EFS4 QUAD ESPRESSO MACHINE WATER FILTER This system uses the proven performance of softening resin to remove scaling minerals. The disp...

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    Original price $264.99 - Original price $264.99
    Original price
    $264.99
    $264.99 - $264.99
    Current price $264.99
  • Everpure EV9329-74 High Flow CSR Quad 7FC System + Pre-Filter (Combination)

    Original price $1,615.14 - Original price $1,615.14
    Original price
    $1,615.14
    $1,615.14 - $1,615.14
    Current price $1,615.14

    Pentair Everpure High Flow CSR-FC Systems deliver premium quality water to high-flow fountain, coffee, and ice machine applications, increasing the...

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    Original price $1,615.14 - Original price $1,615.14
    Original price
    $1,615.14
    $1,615.14 - $1,615.14
    Current price $1,615.14
  • Everpure EV9437-42 Endurance SC High Flow Quad Filtration System (Combination)

    Original price $787.45 - Original price $3,453.60
    Original price
    $787.45 - $3,453.60
    $787.45 - $3,453.60
    Current price $787.45

    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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    Original price $787.45 - Original price $3,453.60
    Original price
    $787.45 - $3,453.60
    $787.45 - $3,453.60
    Current price $787.45
  • Everpure EV9437-32 Endurance High Flow Quad Filtration System (Combination)

    Original price $1,063.15 - Original price $2,103.00
    Original price
    $1,063.15 - $2,103.00
    $1,063.15 - $2,103.00
    Current price $1,063.15

    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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    Original price $1,063.15 - Original price $2,103.00
    Original price
    $1,063.15 - $2,103.00
    $1,063.15 - $2,103.00
    Current price $1,063.15
  • Everpure EV9324-76 Insurice Quad 7SI Ice Filtration System (Ice)

    Original price $883.80 - Original price $883.80
    Original price
    $883.80
    $883.80 - $883.80
    Current price $883.80

    Specially designed for use with ice machines, the Everpure Insurice Single - 4SI System offers dirt reduction, scale protection, and reduced slime,...

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    Original price $883.80 - Original price $883.80
    Original price
    $883.80
    $883.80 - $883.80
    Current price $883.80
  • Everpure EV9327-74 Insurice PF Quad 7FC-S System + Pre-Filter (Ice)

    Original price $1,659.60 - Original price $1,659.60
    Original price
    $1,659.60
    $1,659.60 - $1,659.60
    Current price $1,659.60

    The Everpure EV9327-74 Insurice PF Quad 7FC-S System reduces chlorine, taste, odor, and other offensive contaminants and has an integrated beaded p...

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    Original price $1,659.60 - Original price $1,659.60
    Original price
    $1,659.60
    $1,659.60 - $1,659.60
    Current price $1,659.60
  • Everpure EV9324-77 Insurice Quad PF-7SI Filtration System (Ice)

    Original price $1,027.20 - Original price $1,027.20
    Original price
    $1,027.20
    $1,027.20 - $1,027.20
    Current price $1,027.20

    SEDIMENT FILTRATION (0.5 MICRON) FOR PREMIUM QUALITY WATER FOR ICE APPLICATIONS. Applications: Ice Machines • High Capacity • High Volume • High ...

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    Original price $1,027.20 - Original price $1,027.20
    Original price
    $1,027.20
    $1,027.20 - $1,027.20
    Current price $1,027.20
  • Everpure EV9761-34 High Flow CSR Quad-XCLM+ Filtration System + Pre-Filter (Combination)

    Original price $1,554.60 - Original price $1,554.60
    Original price
    $1,554.60
    $1,554.60 - $1,554.60
    Current price $1,554.60

    The Pentair Everpure High Flow CSR Quad-XCLM+ System is a high capacity chloramines reducing system that delivers premium quality water to high flo...

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    Original price $1,554.60 - Original price $1,554.60
    Original price
    $1,554.60
    $1,554.60 - $1,554.60
    Current price $1,554.60
  • Everpure EV9437-40 Endurance SC High Flow Twin Filtration System (Combination)

    Original price $454.60 - Original price $3,121.80
    Original price
    $454.60 - $3,121.80
    $454.60 - $3,121.80
    Current price $454.60

    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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    Original price $454.60 - Original price $3,121.80
    Original price
    $454.60 - $3,121.80
    $454.60 - $3,121.80
    Current price $454.60
  • Everpure EV9437-30 Endurance High Flow Twin Filtration System (Combination)

    Original price $720.36 - Original price $1,780.20
    Original price
    $720.36 - $1,780.20
    $720.36 - $1,780.20
    Current price $720.36

    The Pentair® Everpure® Endurance High-Flow Filtration systems are designed to treat up to 200,000 gallons of water per SEN cartridge change cycle. ...

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    Original price $720.36 - Original price $1,780.20
    Original price
    $720.36 - $1,780.20
    $720.36 - $1,780.20
    Current price $720.36
  • Everpure EV9347-20 High Flow CSR Plus XC2 with Tank Filtration System (Combination)

    Original price $1,722.00 - Original price $1,722.00
    Original price
    $1,722.00
    $1,722.00 - $1,722.00
    Current price $1,722.00

    The Pentair Everpure High Flow CSR system delivers premium quality water for combination applications. One system provides premium quality water to...

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    Original price $1,722.00 - Original price $1,722.00
    Original price
    $1,722.00
    $1,722.00 - $1,722.00
    Current price $1,722.00
  • Everpure EV9347-21 High Flow CSR Plus-XC2 w/ LPA & Tank Filtration System (Combination)

    Original price $1,891.80 - Original price $1,891.80
    Original price
    $1,891.80
    $1,891.80 - $1,891.80
    Current price $1,891.80

    The Pentair Everpure High Flow CSR system delivers premium quality water for combination applications. One system provides premium quality water to...

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    Original price $1,891.80 - Original price $1,891.80
    Original price
    $1,891.80
    $1,891.80 - $1,891.80
    Current price $1,891.80
  • Everpure EV9761-24 Coldrink 4 XCLM+ Filtration System + Pre-Filter (Fountain)

    Original price $1,430.40 - Original price $1,430.40
    Original price
    $1,430.40
    $1,430.40 - $1,430.40
    Current price $1,430.40

    The Pentair Everpure Coldrink 4-XCLM+ is a high-capacity chloramines-reducing system ideal for food service operations with high water usage for fo...

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    Original price $1,430.40 - Original price $1,430.40
    Original price
    $1,430.40
    $1,430.40 - $1,430.40
    Current price $1,430.40
  • Everpure EV9328-44 Coldrink 4 4FC Filtration System + Pre-Filter (Fountain)

    Original price $1,243.80 - Original price $1,243.80
    Original price
    $1,243.80
    $1,243.80 - $1,243.80
    Current price $1,243.80

    The Everpure Coldrink 4 7FC Filter System provides fresh, premium water for fountain beverages or combination systems. With increased capacity, the...

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    Original price $1,243.80 - Original price $1,243.80
    Original price
    $1,243.80
    $1,243.80 - $1,243.80
    Current price $1,243.80
  • Everpure EV9771-24 Coldrink 4 7CLM+ Filtration System + Pre-Filter (Fountain, 2-3 Carbonators)

    Original price $1,272.60 - Original price $1,272.60
    Original price
    $1,272.60
    $1,272.60 - $1,272.60
    Current price $1,272.60

    The Everpure Coldrink High Capacity Single System is part of the newest line of systems from Everpure, delivering superior filtration for premium w...

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    Original price $1,272.60 - Original price $1,272.60
    Original price
    $1,272.60
    $1,272.60 - $1,272.60
    Current price $1,272.60
  • Everpure EV9771-14 QC7I Quad 7CLM+ Filtration System (Fountain, 3-4 Carbonators)

    Original price $1,090.20 - Original price $1,090.20
    Original price
    $1,090.20
    $1,090.20 - $1,090.20
    Current price $1,090.20

    Pentair's EV9771-14 QC7I Quad-7CLM+ Water Filtration System is a high capacity, quick change chloramines reduction solution for fountain beverage a...

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    Original price $1,090.20 - Original price $1,090.20
    Original price
    $1,090.20
    $1,090.20 - $1,090.20
    Current price $1,090.20
  • Everpure EV9328-74 Coldrink 4 7FC Quad Filtration System + Pre-Filter (Fountain)

    Original price $1,559.40 - Original price $1,559.40
    Original price
    $1,559.40
    $1,559.40 - $1,559.40
    Current price $1,559.40

    The Everpure Coldrink 4 7FC Filter System provides fresh, premium water for fountain beverages or combination systems. With increased capacity, the...

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    Original price $1,559.40 - Original price $1,559.40
    Original price
    $1,559.40
    $1,559.40 - $1,559.40
    Current price $1,559.40
  • Everpure EV9327-44 Insurice PF Quad 4FC-S Filtration System + Pre-Filter (Ice)

    Original price $1,311.60 - Original price $1,311.60
    Original price
    $1,311.60
    $1,311.60 - $1,311.60
    Current price $1,311.60

    The Everpure EV9327-44 Insurice PF Quad 4FC-S System reduces chlorine, taste, odor, and other offensive contaminants and has an integrated beaded p...

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    Original price $1,311.60 - Original price $1,311.60
    Original price
    $1,311.60
    $1,311.60 - $1,311.60
    Current price $1,311.60

4-Stage Water Filtration Systems

A 4-stage water filtration system is a type of water purification setup designed to remove impurities and contaminants from drinking water. It consists of four distinct stages, each utilizing different technologies to enhance water quality. The stages typically include:

  1. Sediment Filtration: The first stage involves passing the water through a sediment filter. This filter is designed to remove large particles, such as dirt, sand, rust, and other debris, effectively protecting the subsequent stages from damage or clogging. It helps to improve water clarity and prevent any visible particles from reaching the later filtration stages.
  2. Carbon Filtration: In the second stage, the water passes through an activated carbon filter. Activated carbon is highly porous and has a large surface area that can effectively adsorb and trap a wide range of contaminants. It can remove chlorine, volatile organic compounds (VOCs), certain chemicals, unpleasant odors, and tastes. This stage is particularly important for enhancing the taste and odor of the water.
  3. Reverse Osmosis (RO) Filtration: The third stage of the 4-stage filtration system involves using a semi-permeable membrane, typically a reverse osmosis membrane. During this process, water is forced through the membrane, which has tiny pores that can block smaller particles and impurities. Reverse osmosis can remove heavy metals, dissolved solids, bacteria, viruses, and other contaminants, making it a highly effective purification step.
  4. Post-Carbon Filtration: After passing through the RO membrane, the water may still contain some trace impurities and have a flat taste due to removing minerals during the RO process. The fourth stage typically employs a post-carbon filter, which is often referred to as a polishing filter. This stage helps to further enhance the water's taste by removing any residual impurities and volatile organic compounds, while also restoring some beneficial minerals for better flavor.

The result of a 4-stage water filtration system is clean, clear, and great-tasting water, suitable for drinking and cooking. These systems are commonly used in residential settings and provide an effective way to improve water quality and safety. Keep in mind that the number of stages in a water filtration system can vary, and some systems may have more or fewer stages depending on their specific design and purpose.