Check the listing for details. Lennox Y0390 Compatible Replacement UVC Bulb for Healthy Climate UVC24V System. Condition: New. Listed at 21.00 USD. Lennox Y0390 Compatible Replacement UVC Bulb for Healthy Climate UVC24V SystemThis is a Caprock brand lamp that is 100% compatible with the Lennox Y0390 OEM lamp selling at a much higher price, but not made by Lennox. It measures 410mm (about 16.1 inches) excluding the 4 pins on the end of the lamp. The base has a raised ring to help with installation. Its peak output is at 254nm for use in Lennox systems. The rated useful life is 10,000 hours. The lamp is used in these and other systems:Lennox Healthy Climate UVC24CLennox Healthy Climate UVC-24CUS buyers get FREE SHIPPING to ANY point in the US. Foreign buyers please request shipping charges prior to bidding. Payment must be received within five days to avoid negative feedback.