This is the Full Replacement ballst that is for the 24 gallon nano. This Replaces old 2x36 watt units.
You must have 2 x 36 Watt PC Power Compact bulbs in your existing NanoCube for this Ballast to work.
If you do not it will not work.
Replacement ballast 24 gallon Nano Cube Aquarium tank.
Your tank or hood must be imported After 20- Jul 09 If it was not you must replace the whole hood and ballst due to the newquick disconnect configuration.
Simple to use just remove ond unit and plug in the new,
MT-RB-2