three tube black cover electronic ballast: 1,watts:3*40W/3*30W/3*20W 2,power factor:0.99/0.95/0.65 3,OEM service provided

1, high power factor , energy saving

2, quick start , no ,stroboflash , no noise

3, convenient fixing , easily control

4, long service time

5, high quality model can reach CE & RHOS standard

6, OEM service provided

three tube black cover electronic ballast EBAL-N340,N340 N330 N320