The Crane Germ Defense Electrostatic Air Purifier improves the air quality inside your home, ensuring a healthy living space for you and your family. Suitable for rooms up to 230 square feet in size, the air purifier greatly reduces airborne allergens, viruses, bacteria, and household odors. An easy-to-use touch panel, a whisper-quiet setting for a good night"s sleep, and an energy-efficient design make this air purifier an ideal addition to any room in your home. Independent testing shows that the Crane Electrostatic Air Purifier removes up to 95 percent of dust mites, pollen, mold, and dander. These environmental pollutants can cause allergies, skin irritation, congestion, coughing, and itchy eyes. The Electrostatic Air Purifier will also reduce 90 percent of viruses and bacteria in the air after only two hours of use. By using the air purifier regularly, you can help to prevent the spread of colds and flu during the winter months. The Crane electrostatic air purifier comes with a permanent and easy-to-clean filter. Cutting-edge electrostatic filtration technology traps air contaminants into collector cells, eliminating the need for costly replacement filters. Periodic cleaning along with the presence of ionized fresh air neutralize bad odors and kill microorganisms, ensuring the air purifier and your home stays germ free. The air purifier"s efficient filter design also results in low energy costs. With a Clean Air Delivery Rate (CADR) five times higher than the minimum required by the EPA Energy Star program, this ultra-efficient air purifier is top rated in the industry by Energy Star The four-speed touch panel makes the electrostatic air purifier easy to operate. A whisper-quiet operation mode lets you purify the air without interrupting your day or night. You can watch television, listen to music, or sleep while the electrostatic air purifier cleans your air.