This is a Westcott 50 Watt/120 Volt Fluorescent, Edison base screw-in bulb, for the Westcott Spiderlite TD5, SP Systems Cool Light, Interfit, Impact, Bowens Tri-Lite, or any other floodlight fixture that can accept a large floodlight bulb. 5500° Kelvin.
Powerful
Combine four of these lamps and one 20 watt lamp in the Spiderlite TD5 and obtain the tungsten equivalent of over 900 watts of power.
High Color Rendering Index
Rated to 90+ CRI