Apply to chemical industry plant, electroplating workshop and the place with acid and alkali corrosive gas. 2. Suitable for incandescent lamp, mercury vapour lamp, sodium lamp and metal halide lamp.

• 适用在化工厂、电镀车间及含有酸碱等腐蚀性气体场所;2.；内装白炽灯、汞灯、钠灯、金属卤灯。