Parabolic aluminized reflector (PAR) 20 bulbs control light more precisely. They produce about four times the concentrated light intensity of general service A shape incandescents, and are used in recessed and track lighting. Like all light bulbs, the 20 value represents the diameter of the bulb in 1⁄8 of an inch. Therefore, a PAR 20 is 2.5 inches in diameter. PAR20 LED Replacements: PAR20 is one of the best applications for LED due to its directional nature. LED PAR20 provide similar output and beam profile characteristics while using only a fraction of the power.
EarthLED has an ever evolving selection of best PAR20 LED lighting at the best pricing online, shop below: