Oreck Proshield Air Purifier Free Shipping Free Shipping Cleans and recirculates the air in a 12 x 18 room twice every hour. ProShield air filter simply needs to be rinsed dried and reinserted. The Truman Cell captures bacteria viruses mold and germs Odor Absorber Plus removes household odors. Lays flat horizontally or on its side vertically; fits in tight spaces. Compact and portable moves easily from room to room. Energy efficient: uses about the same electricity as an ordinary light bulb. Three speed settings including "Silence". Product dimensions: 10.5"L x 4.5"W x 18"H Limited warranty