HOPAR Aquarium T5 Bulb Choke BALLAST Series 24W
These T5 light ballast can be used for all brands of T5 lights like hopar,aqua zonic, sunsun , etc.Replacement ballast for ATI T5 lighting fixtures. If a ballast goes bad. It is best to wait to disassemble. Remove the old one until the new ballast is there. Then swapping the ballast out will just take a few minutes. The ballasts can be used for other fixtures and retrofit kits. Wiring diagram is printed directly on the ballast.Caution:If a ballast goes bad. It is best to wait to disassemble. Remove the old one until the new ballast is there. Then swapping the ballast out will just take a few minutes.