Machinery & Equipment Co. (M&E) offers Used Reverse Osmosis Filters and systems from a variety of manufacturers for water purification, product concentration, and process water treatment applications. Reverse osmosis equipment uses membrane filtration to remove dissolved salts, minerals, and other contaminants from water and is commonly found in food, beverage, dairy, pharmaceutical, chemical, and industrial processing facilities. M&E’s inventory may include complete RO systems, membrane housings, pumps, prefiltration equipment, controls, stainless steel skids, and related water treatment components in a range of capacities.