Commercial and Residential Air Filters, Custom & Odd Sizing Our Specialty - Baltimore, Maryland custom ac filters, custom air filters, custom size air filters, odd size air filter, dust trap, custom made air filters, filter supplier, filter servicing, HV/AC, activated carbon, custom size, air filtration, grease filtration, sterile room filters, air filter service, pollution control filters,Dust Trap Activated Carbon Filter, Merv Filter, Disposable Panel Filter, Permanent Econoframe Filter, Permanent Washable Filter, Multi-Velocity Pleated Panel Filter, Ring Panel Filter, Auto Rolls, Cube Filter, Conoflo Filter, Multi-Pocket Filter, Bag Filter, Ashrae Box Filter, Rigid High Efficiency Air Filter, Hepa Filters Air Filters, Inc. manufactures and distributes a complete line of quality HV/AC air filters. Custom size and odd sizes are our specialty. Air Filters, Inc. also provides filter replacement service for companies in the Maryland, Virginia, D.C. and surrounding areas designed to meet individual company requirements including it's sterile room and pollution control.