Trilite - Elektrox - Ostalo - Lumen-King - Gualala Robotics - Lumii Lightning - Adjust-A-Wings - Light Interaction - Legrand - Philips - Nutriculture - Air cooled 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.