Armor All Vent & Duct Cleaner Odour Neutralizer has been created specifically for automotive HVAC (heating, ventilation, air conditioning) systems. This special formula allows you to treat vents, ductwork, evaporator core and drain pan area, helping to eliminate a variety of odours cause by mold and mildew. It also cleans by removing light dirt that resides in ductwork, and direct and dust that sits on vent surfaces.

Find out more: http://armorall.ca/content/vent-duct-cleaner