Philips 203232 Duramax 45-Watt R20 Indoor Flood Light Bulb This dimmable, indoor, 45-watt R20 45-watt bulb illuminates art and architectural details while creating a relaxing and comfortable environment with soft white light. Versatile for multiple applications, this 2600-Kelvin bulb is ideal for use in indoor recessed cans and track light fixtures. Dimming feature makes it easy to create the right ambiance for any activity. Features a Medium Screw base. DuraMax flood lights have a lifespan of 2,500 hours. Philips reuses as much glass and packaging material as possible, reducing environmental impact. This product ships as a single bulb.