The housing part for use with CUNO EG self-cleaning metal edge filter is a family of parts that includes the sump, head, cartridge or gland kit. Please contact 3M SPSD customer service for specific spare part identification. The housing part for use with CUNO EG self-cleaning metal edge filter is a family of parts that includes the sump, head, cartridge or gland kit. Please contact 3M SPSD customer service for specific spare part identification. A history of Innovation For more than a century, 3M has applied innovation and technology to improve customers, lives and support their business goals. From its headquarters in St. Paul, Minnesota, 3M serves industrial and commercial customers and consumers in nearly 200 countries. Across thousands of products, the 3M brand represents consistency, superior quality and value. The 3M success begins with a 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 and ash; often in combination and ash; to an endless array of real world customer needs. Of course, all of this is made possible by the people of 3M and a singular commitment to make life easier and better for people around the world. Toward that end, 3M is committed to providing innovative, cost effective products that help protect people, equipment and the environment. 3M Purification Inc. (formerly CUNO Incorporated) provides filtration and separation solutions for residential, foodservice, science labs, industrial, marine and other applications.