347V 1000w HPS electronic ballast 1)OEM&ODM Products Offered 2)High-quality,defect rate<1% 3)Competitive Prices Dear ... brand compponents, more stable quality, longer life time.347V 1000w electronic ballasts offered by requests.For more products information, ... Best RegardsDavid SongSales ManagerQidong Sunkan Electronic Co.,LTD. 347V 1000W HPS electronic ballast for hydroponics/greenhouses,UL,CE,TUV,DIN ...