Osram - Lumen-King - Prima Klima - Air cooled reflectors - Winged reflectors
The advantage of air-cooled reflectors is that the bulb can be cooled. This extends the life of the bulb. This type of reflectors are suitable for HPS and MH bulbs.
Wing reflectors allows greater light distribution, because of specific shape. The reflectors are suitable for HPS, MH and CMH bulbs.