Don’t let your air ventilation systems be the sources and carriers of airborne dirt, dust and other impurities. Clean pipes, vents, ducts, furnaces, and other hvac system components with HVAC brushes. Items include chimney brushes, refrigeration brushes, vent brushes and other items for HVAC duct cleaning and overall HVAC cleaning. Items vary by brush diameter, package quantity, application and other considerations. Minimize the contaminants that collect within you HVAC systems by using the proper filters.