70mm iron sheet length magnetic ballast: 1,watts:40W/30W/20W 2,power factor:0.54/0.48/0.37 3,OEM service provided 1, Energy saving : low power loss , high light efficiency2, Low exotherm , no stroboflash , no noise3, Convenient fixing , easily control , long service time4, High...

magnetic ballast: 1,watts:40W/30W/20W 2,power factor:0.54/0.48/0.37 3,OEM service provided 1, Energy saving : low power loss , high light efficiency2, Low exotherm , no stroboflash , no noise3, Convenient fixing , easily control , long service time4, High quality model can...

55mm iron sheet length magnetic ballast: 1,watts:40W/30W/20W 2,power factor:0.54/0.48/0.37 3,OEM service provided 1, Energy saving : low power loss , high light efficiency2, Low exotherm , no stroboflash , no noise3, Convenient fixing , easily control , long service time4, High...

Three tube black metal cover electronic ballast 1.watts:3x20w/3x30w/3x40w 2.power factor:0.99 3.OEM service provided Three tube  black metal cover electronic ballast1.high power factor,energy-saving2.quick start,no stroboflash,no noise3.convenient fixing ,easily...

Top quality two tube electronic ballast 1.watts:2x20w/2x30w/2x40w 2.power factor:0.99 3.OEM service provided. Top quality two tube electronic ballast1.high power factor,energy-saving2.quick start,no stroboflash,no noise3.convenient fixing ,easily control,4.long service...

60mm iron sheet length magnetic ballast: 1,watts:40W/30W/20W 2,power factor:0.54/0.48/0.37 3,OEM service provided 1, Energy saving : low power loss , high light efficiency2, Low exotherm , no stroboflash , no noise3, Convenient fixing , easily control , long service time4, High...

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 saving2, quick start , no ,stroboflash , no noise3, convenient fixing , easily control4, long service time5, high quality...

Electronic ballast with black cover 1.watts:20w/30w/40w 2.power factor:0.65 3.OEM service provided Electronic ballast with black cover1.high power factor,energy-saving2.quick start,no stroboflash,no noise3.convenient fixing ,easily control,4.long service time5.high qualitymodel...

45mm iron sheet length magnetic ballast: 1,watts:40W/30W/20W 2,power factor:0.54/0.48/0.37 3,OEM service provided 1, Energy saving : low power loss , high light efficiency2, Low exotherm , no stroboflash , no noise3, Convenient fixing , easily control , long service time4, High...

Top quality two tube electronic ballast 1.watts:2x20w/2x30w/2x40w 2.power factor:0.99 3.OEM service provided. Top quality two tube electronic ballast1.high power factor,energy-saving2.quick start,no stroboflash,no noise3.convenient fixing ,easily control,4.long service...