The PAR values achieved by this reflector are as much as 10% higher than comparable lighting systems, resulting in more PAR light to the plant canopy. The reflector utilizes Open Reflector Functionality. It directs more light on the canopy, while trapping considerably less heat. Using the open reflector means less hotspots on your plants and insures the lamps deteriorate much less than lamps with enclosed reflectors. Traditional 1000W lighting systems cover a 4x4 area. The increased coverage of the ePapillon's footprint combined with the lower cost of not having to purchaase replacement lamps as frequently makes it easy to see how cost effective these systems are over a short period of time.