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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3M O-rings, Filter Housing Wrenches, Water Filter System Parts and DIY Water Tests

3M O-rings, Filter Housing Wrenches, Water Filter System Parts and DIY Water Tests

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  1. ITS-Chlorine-30- 1000
    Chlorine Water Testing Kit - 30 Individual Tests per Bottle
    Free & Total Chlorine test strips are perfect for determining whether or not you have the correct amount of sanitizer present. ITS #480655 UPC # 809762806550
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    $27.99 Special Price $19.99
  2. ITS-Copper-25-1000
    Copper Water Test Kit - 25 Tests per Bottle
    John's Copper water test is an alternative to wet chemical copper tests. Quick results are obtained in less than 1 minute ITS # 480042 UPC #809762800428
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    $27.99 Special Price $19.99
  3. ITS-Hardness-50-1000
    Water Hardness Test Kit - 50 Individual Water Tests
    Total Hardness test strips offer a wide range of detection and calibrated to be both accurate and sensitive. ITS # 480008 UPC #809762800084
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    $19.99
  4. ITS-Iron-25-1000
    Iron Test Water Testing Kit - Easy to Use In-Home - 25 Individual Test Strips
    Ida's Iron Check is designed to specifically react with iron, without interference from other heavy metals that may be present. ITS # 481046 UPC #809762810465
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    $27.99 Special Price $19.99
  5. ITS-pH-Alkalinity-50-1000
    pH Alkalinity Water Tests - Easy to Use In-Home - 50 Tests in One Bottle
    pH & Total Alkalinity test strips are designed for both measurements. Gives reproducible results for each test separately. ITS # 480005 UPC #809762800053
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    $19.99
  6. 3M AP1-E  47-234825 SQC Sanitizing & Service Cartridge
    3M AP1-E 47-234825 SQC Sanitizing & Service Cartridge

    3M47-234825 SQC Sanitizing Service Reusable Cartridge. AP1-E 3M Service Cartridge for SQC drinking water systems by Water Factory, CUNO and 3M

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    $38.86 Special Price $29.95 As low as $24.95
  7. 3M 50-1265 RO Sanitizing & Service Plug SQC RO Systems
    3M 50-1265 RO Sanitizing & Service Plug SQC RO Systems
    3M 50-1265 RO Service & Sanitizing Plug for 3MRO301, 3MRO401 and 3MRO501 Reverse Osmosis Drinking Water Systems from 3M or any of the Water Factory SQC systems such as the SQC3, SQC4-HF, SQC2 or SQC1. Use these bypass plugs in place of filters during the sanitizing of your RO system. This is must for all SQC reverse osmosis system owners. Order one for each filter in your system.
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    $19.69 Special Price $15.99 As low as $11.95
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A History of Innovation

For more than a century, 3M has applied innovation and technology to improving their customers' lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries. The 3M brand, across thousands of products, represents consistency, superior quality, and value. 3M's success begins with its culture of creative collaboration that inspires a never ending stream of powerful technologies and product solutions that make life better. 3M has an ability to apply technologies — often in combination — to an endless array of real-world customer needs. Of course, all of this is made possible by the people of 3M, and their singular commitment to make life easier and better for people around the world. 3M is committed to providing innovative, cost-effective products that help protect people, equipment, and our environment. 3M Purification Inc. (formerly CUNO Incorporated), provides filtration and separation solutions for residential, food service, science labs, industrial, marine, and other applications.

* 3M PURIFICATION ® IS THE REGISTERED TRADEMARK OF 3M INC., THE MANUFACTURER OF 3M PRO, SQC, WATER FACTORY, CUNO, AQUA-PURE ® BRANDS OF RO REVERSE OSMOSIS, 3M FULL FLOW SYSTEMS, 3M WHOLE HOUSE SYSTEMS, 3M UNDER SINK DRINKING WATER SYSTEMS, 3M DEDICATED FAUCET SYSTEMS, AQUA-PURE REFRIGERATOR AND ICE MAKER FILTERS, OCS COFFEE AND RELATED WATER TREATMENT EQUIPMENT. AKA AQUAPURE, COOLER MATE, FAUCET MATE, 3M PRO and SQC SANITARY QUICK CHANGE