Halogen PAR38 Bulb
"PAR" stands for parabolic aluminized reflector, the type of glass that is molded to make the light bulb. The "38" stands for the maximum diameter of the bulb in eighths of an inch. PAR38 halogen feature high-grade, heavy-gauge glass, high output burners, premium gas mixtures, quality reflector coatings, and superior construction quality. PAR38 halogen bulb saves up to 30% in energy costs when compared to incandescent. Great for landscape and outdoor lighting.