Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

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Water Factory SQC2 HF 3M Water Filters

Water Factory SQC2 HF 3M Water Filters

Water Factory SQC2 HF 3M CUNO Reverse Osmosis System, Replacement Water Filters, RO Membrane and Maintenance Repair Parts

Water Factory CUNO SQC-2 HF Installation and Owner's Manual

3M Water Filter Distributor

  1. 3MROP316 SQC Carbon Filter for 3MRO301 Reverse Osmosis System and CUNO Water Factory SQC3 HF RO System
    3MROP316 SQC Carbon Filter for 3MRO301 Reverse Osmosis System and CUNO Water Factory SQC3 HF RO System

    3MROP316 SQC Carbon Filter for 3MRO301 Reverse Osmosis System and CUNO Water Factory SQC3 HF RO System The 3M Aqua-Pure 3MROP316 under sink reverse osmosis filter is a replacement filter cartridge for the 3M Aqua-Pure 3MRO301 under sink reverse osmosis system. Reverse Osmosis Post Carbon Block Filter Filter for 3MRO301 Helps provide cleaner and better tasting water. THE 3MROP316 HAS BEEN DISCONTINUED AND REPLACED WITH THE 3MROP416. IF YOU ORDER THE 3MROP316 YOU WILL RECEIVE THE 3MROP416.

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    $53.86 Special Price $39.95 As low as $34.99
  2. 3MROM413 SQC Reverse Osmosis Membrane by 3M
    3MROM413 SQC Reverse Osmosis Membrane by 3M

    3MROM413 Supersedes Water Factory 66-4706G2 SQC Reverse Osmosis Membrane. Reduces: Particulate, chlorine taste and odor and lead Sanitary Quick Change (SQC) cartridge design helps provide fast and easy cartridge change-out Slim profile, space saving design reduces overall under cabinet footprint Advanced multi-stage reverse osmosis water filtration process helps provide cleaner, better tasting drinking water through a dedicated faucet.  This membrane does not fit the Water Factory countertop RO systems.

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    $278.99 Special Price $199.99 As low as $189.99
  3. Air Pressure Gauge for Reverse Osmosis Water Accumulator Tanks -1000
    Air pressure gauge for reverse osmosis water accumulator tanks
    Air pressure gauge for reverse osmosis water accumulator tanks - Specially calibrated for reverse osmosis system tanks. Scale from 1 to 20 PSI. Large scale reading over small PSI range allows optimum accuracy. Just like car tires lose air pressure, so does the bladder of your reverse osmosis water accumulator tank. Improper tank air pressure will cause your system to operate improperly. This is a must for all reverse osmosis system owners.
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    $24.99 Special Price $17.99 As low as $12.99

Easy TDS Membrane Performance Calculator
See If It is Time To Replace Your Membrane

Simply enter your Feed Water TDS and RO Water TDS into the boxes above and click "Submit". The percentage of TDS Rejection will be displayed. We normally recommend membrane replacement once you drop below 75%. This may vary in areas with high TDS in the feed water.

See our selection of TDS meters under Water Tests


Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.

* 3M ® is the registered trademark of 3M Inc. USA, the manufacturer of 3M ® Water Factory brand RO Reverse Osmosis, 3M Full Flow Systems, 3M Whole House Systems, 3M FaucetMate Under Sink Drinking Water Systems, 3M Dedicated Faucet Systems, CUNO CoolerMate, SQC2-HF Series Reverse Osmosis Systems and related drinking water treatment equipment.


3M Water Filter Distributor