Magnetic ballast for double-ended straight-tube or t-r (circular-shaped) fluorescent lamps Brand: aoou Shape: 28*41mm Tw: 130 Item: 800 Voltage: 220v-240v, Frequency: 50hz, 60hz Wattage: 15w, 18/20w, 21w, 26w, 28w, 36/40w, 58/65w, 70/75w, 80w, 85w, 100w Pure copper wire, good silicon steel, no noisy, low power consumption, cute looking, low temperature raise. Min. Order: 1000pcs / mixed wattage Packing: by carton box then by pallet Delivery : 35days Payment: t/t or l/c at sight Samples: available Oem available