Oransi Max HEPA Large Room Air Purifier for Asthma, Mold, Dust and Allergies Delivered by e-mail; register and file claims online or by phone. We will fix the item, replace or pay up to the original purchase cost of the item. Fully transferable if you give as a gift. Cancel anytime for a full refund within the first 30 days. Products used for commercial or business purposes are excluded.