CLEARANCE, LIMITED QUANTITIES AVAILABLE! Thermally and geometrically compatible with standard fixtures. Suitable for fully enclosed fixtures per UL 1993 and can be used with front glass cover. Suitable for damp locations per UL, and works with both trailing edge and leading edge phase cut dimmers. For use in PAR30L compatible recessed downlights, track lighting and other indoor and outdoor applications. 85% more energy efficient than standard halogen lamps with a typical payback of one year or less. Rated lifetime of 35,000 hours.