The Sylvania 15243 – 150A23/RS 130V is a 150-watt, rough-service incandescent light bulb designed for demanding environments where vibration or shock may occur. Featuring an A23 bulb shape, medium E26 base, and an inside frosted finish, it operates at 130 volts and produces approximately 2,090 lumens of warm white light (2850 K) with excellent color rendering (CRI 100). Built with a durable C-17 coiled filament, this bulb is ideal for industrial, commercial, or utility lighting applications requiring rugged construction and reliable performance. Though now discontinued, it remains valued for its high output and robust build.