Ushio 150w 120v T4 BA15d Double Contact Bayonet Single Ended Frosted Halogen Light Bulb ORDERING CODE 1003100 DESCRIPTION JD120V-150WF/BA15D ITEM TYPE Halogen BASE BA15d VOLTAGE 120V WATTAGE 150W BURN POSITION ANY BULB SHAPE T4 FINISH FROST COLOR TEMP (K) 2900 EFFICACY (LM/W) 18.0 FILAMENT CC-8 FRONT GLASS COVER NO INITIAL LUMENS (LM) 2700 LIFE (HR) 2000 DIAMETER 0.53 in (13.5mm) MOL (MM) 2.56in (65mm) OZONE FREE YES UV PROTECTED YES