Detailed Product Description lamp,fluorescent lamp,explosion-proof,corrosion proof Application1)Can be used in Zone 1 and Zone 2 ... Features1.The shell is sealed ,with performances of water-proof dust-poof ,corrosion-proof .2.The lampshade is casted by polycarbonate,with ... impact resistance.3.Inner ballast is our company's special explosion-proof ballast ,it has the functions of short-circuit and open ...