Active-Cooling As some may already know, an Active-Cooling Feature on a T5 Fixture allows your bulbs and fixture to run at an optimal temperature. It is not only good for overall performance of the fixture, but more importantly, it allows for better output and longer life from your bulbs. Check out these Lighting Options WITH Active-Cooling from reefgeek… Tek Light Elite T5 High-Output Fixture Featuring the NEW and Improved Active- Cooling Fans Available in 36” 6 Bulb and 48” 4,6, & 8 Bulb Fixtures http://www.reefgeek.com/lighting/T5_...lite_Fixtures/ Hang or Mount your Tek Light Elite with these accessories Sunlight Supply Tank Bracket Kit for Tek Light Elite T5 Fixture complete with stainless steel hardware. $57.95 Cable Suspension Hanging Kit (2 Point Connection) $24.95 ATI SunPower T5 High-Output Fixture By far our Most Popular and one of our Best Performing T5 HO Fixtures http://www.reefgeek.com/lighting/T5_...ower_Fixtures/ For any questions please contact us directly… sales@reefgeek.com – TOLL Free 866-295-9230