MidwescoŽ Filter Resources, Inc. is a global industrial air filtration leader based in Winchester, VA. The company manufactures and distributes air filters in 100 market segments across six continents. We maintain a large diversified inventory of high quality custom made dust collector and baghouse filter bags, cartridge filters, pleated elements, and baghouse accessories in our global manufacturing facilities residing in Winchester, VA; Cicero, IL; Nakskov, Denmark and Nigel, South Africa for critical delivery.