HealthMate Plus Austin Air CleanerLike the Austin Air Healthmate, the Austin Air Healthmate Plus Air Purifier gives you reliable protection against a variety of airborne contaminants, from common household allergens to smoke and chemical odors. The mechanical specifications are identical to the Austin Air HealthMate HM400 HEPA Air Cleaner. However, the activated carbon used in the HealthMate Plus is impregnated with potassium iodide for better adsorption of certain chemicals, such as