General description Thickened 304 stainless steel weatherproof ventilation hood that is beautiful, rust-proof, and very strong. The design features a half-wrapped edge to effectively prevent storm damage and isolate cold air from entering. The outer ventilation cover is hemispherical, preventing wind and rain from entering, while the internal 45-degree louvered grille and precision mesh at the bottom prevent rainwater and foreign matter from seeping into the ducts. Technical specifications Diameter: 160mm Material: 304 stainless steel Installation Easy installation by one person. Insert the ventilation hood into the ventilation duct and fix it to the wall with the provided screws. Designed to be securely mounted, ensuring it will not fall off. Usage Perfect for ventilation systems, kitchen hoods, toilet ventilation systems, air conditioners, and various industrial uses. Ideal for exhaust ventilation for both domestic and industrial applications.