The Silver PAR Halogen lamps are 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. It results reliable, high performance product that lowers your overall cost. Halogen lamps provide a whiter, brighter light that saves up to 30% in energy costs when compared to incandescent lamps. Robust filament design and meets EISA 2007 energy efficient requirements.