For Fresh Air by Ecoquest (Not Fresh Air 2.0 and 2.1)This auction is for brand new, top quality, UV light bulbs for the Fresh Air by Ecoquest air purifier. Average Life: 8000 hours UV light bulb should be replaced when REPLACE LAMP appears on the display. Do not touch glass areas of UV bulb with fingers. To install we recommend using the latex gloves, which are included with this item free of charge. Please note: As it states in the Fresh Air by Ecoquest Owner"s Manual it is recommended to replace the UV light bulb starter when replacing the UV light bulb. UV light bulb may not start without replacing the starter.