CrispAir Air Cleaning Light Bulb, 23 Watt, 6400K, Compact Flourescent Cleans air by removing cigarette smoke, odors, dust, pollen, pet dander, mold and mildew. Removes harmful germs that aggravate allergies, asthma and bronchitis. Relieves headaches caused by computer use. 23 Watt, 90 Watt equivalent. 110V, 1300 Lm Color: Daylight/6400K Life: 10,000 hours. Save up to 75% in energy costs.