This category represents the most popular and common bulbs used in retail light fixtures. The quality and amount of light provided eliminate more shadows and cause colors to "jump out" at customers brilliantly. PAR is actually an acronym for parabolic aluminized reflector, and the number afterr PAR on your light bulb indicates the diameter across the bulb in eigths of an inch. This can help you ensure you get the right size bulb for the recessed fixture or track lighting you are using. Any place you use regular incandescent flood lights, you can use halogen PAR lamps. They will burn brighter, whiter, and have longer average lifecycles than normal flood bulbs. They are available in narrow spot, spot, wide spot, narrow flood, flood, and wide flood varieties. Typically, the types are identified by using the PAR moniker along with the number following it. For instance, if you have a bulb that says 75PAR20/FL, you would ask or a "75 watt PAR20" in a flood beam spread.