Austin Air Healthmate Plus Air Cleaner B450A1 - SandstoneThe HealthMate Plus addresses the complete spectrum of air cleaning, removing sub micron particles, noxious gases and chemicals. Austin Airs 360 degree intake system draws air into all sides of the HealthMate Plus, passing it through a 4 stage filter. The result, more clean air delivered faster and more efficiently than any other air cleaner on the market. STAGE 1 Large Particle Pre filter Removes particles easily seen by the (e. g. dust, hair and pet