Profile: R & M Mfg., Inc. manufactures and exports water treatment products. We develop water conditioning systems, reverse osmosis systems and systems for homes & small business. Our product line includes media & resin, control valves & parts, mineral tanks, internals, brine tanks, brine tank components, membranes and filters. Our control valves parts include erie, fleck and autotrol. Our filters include carbon, sand & sediment and multi media filters.