It is used to the heating and heat preservation of all kinds of cabinets and boxes, such as cubicle switchboard, communication cabinet, lighting box, anti-flocculation box, computer, etc. Structure: (1)The heater of the product adopts nichrome wire, quick radiation, high efficiency and long working life. (2)The double insulation of moistureproof silicone rubber and alkali-free glass fiber (3)The auxiliary radiation of aluminum sheet improves the thermal efficiency of the heater and prolongs it working life. (4)Easy installation