Replacement water filters, RO reverse osmosis membranes and whole house filter systems. Refrigerator water filters, pool and spa filter. Pentek, OMNIFILTER water filters. Chiller Daddy water chillers

3M Hot Water Filters

Aqua-Pure hot water protectors extends the life of hot water systems by inhibiting scale and corrosion to your plumbing fixtures by maintaining peak efficiency in your hot water heater.  Scale build-up can increase water heater costs by up to 29%.

Model AP431 (AP 431-10) fits AP430

  • Extends the Life of Hot Water Systems 
  • Inhibits Scale Buildup 
  • High Capacity 
  • Change Every 4-6 Months 
  • Easy Cartridge Change
  1. Regular Price: $59.99

    Special Price $39.99

    As low as: $36.99
    AquaPure AP431 by 3M Purification ® Hot Water Protector Water Filter #AP431-10. aka Aqua-Pure or Aqua Pure - AquaPure hot water protectors extends the life of hot water systems by inhibiting scale and corrosion to your plumbing fixtures by maintaining peak efficiency in your hot water heater. Scale build-up can increase water heater costs by up to 29%. Model AP431 (AP 431-10) fits AP430 Extends the Life of Hot Water Systems Inhibits Scale Buildup High Capacity Change Every 4-6 Months Easy Cartridge Change. Learn More

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