CLEANS AIR FAST – HF11200 Air Cleaner cleans the air in a 10’ x 10’ office in less than 23 minutes, or 2.7x per hour. It will clean the air in a 15’ x 15’ room in 50 minutes or 1.2x per hour; making it ideal for small rooms like bedrooms, dorms, kitchens, offices.
eBay