The Hathaspace HSP002 Certified Replacement Filter Smart True HEPA Air Purifier 2.0 is a portable air purifier that uses three cleaning stages to capture cough and sneeze debris, cooking oil smoke, allergens, dust, candle soot, dust mites, diesel soot, bacteria, debris, and chemicals. It features automatic shut off and has a filter life of 4 months. It uses True HEPA, HEPA-Type, and Ionizer filtration technology. It has a coverage of 400 sq ft and is suitable for any room. It is 20 in tall, 2.7 in deep, and weighs 12 lb.