Feit Electric retrofit kits are easy to install, come with a standard base adapter and are suitable for wet locations and air tight housing.  The light output of these LED bulbs is comparable to incandescent and halogen products.  They also last up to 50,000 hours, are RoHS compliant and mercury free.  Additional benefits include no UV or infrared emissions, relatively cool running performance, ability to withstand vibration (no filament), no warm-up time or waiting to turn on and no detrimental effects from rapid cycling on and off.