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Hydrologic Water Filters & Filtration Systems

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HydroLogic is a leader in a wide range of professional and high quality water purification products engineered for used in gardening, hydroponics, residential, aquarium, commercial and more. With some of the most well known and efficient water purifiers in the industry, HydroLogic manufacturers their water filters from as many USA made components as possible, with many systems being completely manufactured in the USA.

Discount Filter Store is proud to carry a variety of the finest HydroLogic water filtration products, including water filtration system pressure gauges, RO system wall mount brackets, sediment and filter dechlorinators, RO membrane flush kits and more. Additionally for your RO system, Discount Filter Store carries HydroLogic RO membrane, carbon pre-filters and RO water filter tubing.

If you’re not sure which filter you need, consider reading our guide on How to Choose a Water Filter to better understand your options and the proper applications for each filter. In addition to HydroLogic, Discount Filter Store also offers products from brands like Nubo and more.


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  • EvolutionRO 1000 RO system Wall Mount Bracket

    EvolutionRO 1000 RO System Wall Mount Bracket

    $75.99
    MSRP: $82.79
    Save 8%
  • Hydrologic 25007 Polyethylene Tubing

    Hydrologic 25007 Polyethylene Tubing

    $15.99
    MSRP: $19.54
    Save 18%
  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99
    MSRP: $12.06
    Save 25%
  • 25057 Hydrologic Reverse Osmosis Water Filter Tubing

    25057 Hydrologic Reverse Osmosis Water Filter Tubing

    $22.99
    MSRP: $23.99
    Save 4%
  • 22080 Hydrologic Reverse Osmosis Carbon Pre-Filter
  • 20035 Hydrologic 4-Stage Reverse Osmosis Cartridge

    22035 Hydrologic 4-Stage Reverse Osmosis Cartridge

    $136.19
    MSRP: $178.99
    Save 24%
  • 27020 Hydrologic Reverse Osmosis System Float Valve
  • 26040 Hydrologic Reverse Osmosis Membrane Flush Kit

    26040 Hydrologic Reverse Osmosis Membrane Flush Kit

    $15.99
    MSRP: $19.00
    Save 16%
  • 19026 Hydrologic Water Filtration System Pressure Gauge

    19026 Hydrologic Water Filtration System Pressure Gauge

    $33.79
    MSRP: $53.99
    Save 37%
  • 22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000

    22043 KDF Hydrologic Carbon Pre-Filter For Evolution-RO1000

    $45.99
    MSRP: $55.19
    Save 17%
  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • 22110 Hydrologic SmallBoy Replacement Carbon Filter - Green
  • 22120 Hydrologic Stealth RO 100GPD Membrane

    22120 Hydrologic Stealth RO 100GPD Membrane

    $59.99
    MSRP: $64.99
    Save 8%

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