WhisperRecessed provides architectural grade luminaire design with energy efficient and powerful ventilation hidden above the ceiling. The adjustable lamp positioning and deeper regression reduces glare, providing diffuse, uniform illumination.ENERGY STARa®-qualified products feature super-quiet operation and high CFM-to-Watt efficiency. The ENERGY STAR program was created to help consumers identify products that can save them money and protect the environment by saving energy. As an ENERGY STAR partner, all of our fans are ENERGY STAR-qualified and labeled accordingly.Detachable 4 or 6 inch adapters, firmly secured duct ends, adjustable mounting brackets (up to 26"), fan/motor units that detach easily from the housing and uncomplicated wiring all lend themselves to user-friendly installation. This model also features a double-hanger bar system for ideal positioning.INCLUDED: One 18-Watt GU24 Spiral CFL/2700 Kelvin/84 CRI/1380 Lumens/ENERGY STARa® qualified/10,000 hours rated average life/equivalent to 75-Watt incandescent lamp/integral electronic ballast for flicker-free operation. IC rated for direct contact with insulation.