MaxLite SKR315FLCW CFL Light Bulb, 15W (75W Equivalent) E26 R30 4100K - 550 Lumens Fits flush with standard recessed can fixtures Long life &ndash; lasts up to 10,000 hours Saves up to 75 percent in energy costs Same size and shape as incandescent lamps PAR lamps are suitable for indoor/outdoor use Frosted glass on R20, R30 and R40 for softer light