ballasts&lamp ballast&magnetic ballast is very popular in middle east and africa and south america etc MAGNEITC BALLAST:1.Using high intension, high isolation wire, iron core piled close up, providing long life, super quiet.2.The junction being anti-hire nylon, bottom base 1 mm quality steel rolling.3.Dousing white paint.220V/240V/60HZ 20W ,30W,40W.VS/Germany etc. magnetic ballasts