vents, stainless steel for ventilation and exhaust.(7.9inch(200mm))

CEILING FAN This chimney bell ring is specially designed to be very effective for preventing wind and increasing ventilation, the bell rotates with the wind, the stronger the wind, the faster the blades rotate, generating stronger airflow from the inside out. Wind Turbines Air Vents - Made of 304 stainless steel, the finished product is sturdy and does not deform, the bearings rotate flexibly and smoothly, and the bracket is firmly fixed and durable. TURBINE FAN - It can be installed on a slope of 0 to 22.5 degrees, which makes the installation project very simple. Galvanized bearings: strong enough to withstand wind speeds of 200km/h and load pressures of 100kg without deformation and damage. SIMPLE INSTALLATION - All hoods are shipped in one piece, no assembly is required, with mounting hardware, easy to install, just take them out and fasten. The latest ceiling fan on the market, easy to install and stylish to the eye