Linear compact fluorescent lamps by Philips are super-efficient, quality, CFLs. The Philips 38437-0 PL-T is an 18-watt CFL that is perfectly suited to downlighting in offices, retail stores, and commercial locations. With an intensity of 1200 lumens, this lamp provides an abundance of light at a color temperature of 2700K. The warm white light of this PL-T CFL will fill any room for less energy than a standard incandescent. At 16,000 life hours this bulb will outlast any equivalent incandescent lamp. This high performance lamp will satisfy all your lighting needs and works great in medium and high-bay applications.