Leviton 2152 Lampholder Assembly, For Use With Jewels Or Louvre Plates, Use With Standard 2.5-Inch Box and 4 Watt Bulb Every electrical accessory is subject to Levitons strict in-house quality control and must meet or exceed applicable industry standards For use with jewels or louvre plates Use with standard 2.5" box and 4 watt bulb Bulb not included