WACO Filters is the Nation's First National Filter Distributor and the largest supplier of Industrial Filtration covering all the major markets from California, Oregon, Washington, Idaho, Montana, Alaska to the Midwest, Texas to Michigan, and East, Florida to Maine. We are the ONE-STOP-SHOP for all Your Filter Needs. Supplying filters, filtration, liquid filters, micro filtrations, micro filters, housings, HVAC, Air Filters and many types of filter media.