Envion 90TP50BLM01 Therapure TPP50 Mini Plug in Air Purifier Black REMOVES mold, smoke, germs, bacteria, viruses, common allergens &amp; pet dander from the air in your home CLEANS the air in small size rooms (about 115 square feet) up to 3x in one hour COMPACT to fit small spaces. Plugs directly into wall outlet. RAPID CIRCULATION from internal fan quickly purifies air CLEANABLE filter eliminates needs for costly filter replacement.