Helios T6 24-Inch Actinic Combo Aquarium Lights, 20-watt, 6-Pack

Top of the range versatile 20 watt 24 inch T-6 lamps which could be a universal replacement lamp for business same old T-8 and T-12 lighting fixtures, the Actinic combo lamps will emit full actinic gentle and red gentle so that you can remove darkness from all varieties of coral.
Fits all T-8 and T-12 fixtures
As much as 30% brighter than same old T-8 and T-12 bulbs
Top of the range