... ballast, 18W ballast,high quality T8 3X36W Voltage:220-240V,50HZ 110V-130V/60HZ CE,TUV approved T8 electronic ballast, ballast, choke-- ... Model:T8 2x18w- High frequency electronic ballast with small size and light weight ... 60Hz0.9834W15%≤1.7- Saving 30% energy than tradtional ballast- Can fix the louver fitting, waterproff fitting, diffuser ...