Philips energy advantage series lamps are super-efficient, quality, compact fluorescent lamps. The Philips 20915-5 PL-L bulb is a 40-watt CFL that is perfectly suited to illuminating offices, retail stores, and other commercial spaces. With an intensity of 2600 lumens, this lamp provides an abundance of light at a color temperature of 4100K. The cool white light of this PL-L CFL gives a more natural light to any room. At 20,000 life hours this lamp will outlast any equivalent incandescent. This high performance lamp will satisfy all your lighting needs. The small size of this compact fluorescent lamp combines efficiency and sleek design for the best quality in lighting.