Quartz halogen lamp is designed with the professional installer in mind. They feature high-grade, heavy-gauge glass, high output halogen burners, premium gas mixtures, quality reflector coatings, linear beam patterns, and superior construction quality. Results in reliable and high performance product that lowers your overall cost. Halogen lamp provides a whiter and brighter light that saves up to 30% in energy costs when compared to incandescent lamps.