Philips Duramax Indoor R20 Spot Light Bulb: 385-Lumen, 2600-Kelvin, 45-Watt, Medium Screw Base, Soft White, 3-Pack 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 3-pack.