Applicable field: various standard sheet metal cabinets, cabinets, cabinets, industrial control cabinets, electrical control boxes, electrical control cabinets, distribution boxes, power cabinets, total cabinets, Foam for long life Large size, low resistance, heat resistance, but not resistance. Make your computer Suitable for PC use. Extends the life of your fan Reusable Sponge only. Demonstration of other accessories pictured are not included