Used Self-Cleaning Filters available from Machinery & Equipment Co. (M&E) are used for continuous filtration of liquids while reducing the need for manual filter cleaning or replacement. Common applications include food, beverage, chemical, pharmaceutical, water treatment, coatings, oils, and other process industries, with equipment available in stainless steel and other materials of construction. Units may feature automatic backwashing, scraping, or mechanically cleaned filter elements, differential-pressure controls, pumps, and related components, with manufacturers including Eaton, Ronningen-Petter, Russell Finex, Hayward, and others.