• GHMAP01 AIR PURIFIER FILTER : Use only grinhealth (GHMAP01) Replacement Filters to keep your Air Purifier at its best working condition and capacity. Note: please remove the plastic bag of the filter before running the air purifier. Failure to do so may cause damage to the unit 
• MULTI STAGE FILTRATION SYSTEM : True HEPA Filter and Activated Carbon Filter. It removes 99.97% of dust, pollen, smoke, odor, mold spores, and pet dander. It filters particles as small as 0.3 microns and larger. It also filters air pollution of PM 2.5

True HEPA Filter and Activated Carbon Replacement Filter Use only Air Purifier with (GHMAP01) is backed by a hassle-free 7-day return policy. If you're unsatisfied, you can return it within 7 days of purchase for a full refund or exchange.