Boao comany newly invente a product called Viewing light mirror ,it is commonly used to the tank of pharmaceutical,dairy,beverage,for the people to see or inspect the inner condion of tank when it's on operating, Widely used in all kinds of containers, cans of ingredients, reactor of materials inside inspections. With good appearance, simple structure and fewer corners hole, dead spot and lower manufacturing cost, washed available. Material: 304 and 316L selection Condition: 1P6 level protection, Working temperature: 150 ° C