Roof Flue Vent Round Exhaust Cap Air Vent 360° Rotation Ventilation Outlet High-Speed Bearings Without Power Roof Ventilator

＠＠＠Welcome to 's store! ! ! @＠＠The roof chimney vent cap requires no electricity and automatically exhausts air throughout the day, which can avoid fires and other numerous troubles caused by wire short circuits or voltage overloads. @＠＠The design of the Ventilating Cover can rotate with the wind. The greater the exhaust volume, the faster the air circulation, the more the wind blows, the faster the leaves rotate, and the stronger the wind from the inside to the outside. @＠＠Name: Roof Chimney Cover ＠＠＠Material: 304 stainless steel ＠＠＠Size: 75mm, 100mm 110mm, 160mm, 200mm, 250mm, 300mm, 350mm, 400mm, 450mm @＠＠Working principle: Using natural wind and indoor temperature difference, the air flow drives the turbine to rotate. @＠＠Application scope: Used for ventilation of exterior walls in bathrooms, kitchens, warehouses, residences, apartments, etc.

• @Roof Turbines Ventilator uses the heat convection of air caused by natural wind and the temperature difference between indoor and outdoor to drive the turbine to rotate and discharge the indoor non-circulating air.
• @The chimney cover is made of 304 stainless steel, which is high-strength, waterproof, not easy to rust, and . It's also easy to clean. No assembly required.
• @Encrypted arc-shaped fan blades ensure that rainwater does not invade during . The exhaust efficiency is high and can be operated lightly. It can effectively prevent the airflow from sinking and increase the ventilation volume.
• @Widely used in all walks of life, including farms, machinery factories, roof chimneys, industrial plants, production workshops, kitchens, cafes, farms, workshop ventilation, tile-roofed buildings, smoke exhaust vents and other fields.
• ＠Chimney Exhaust Cap A variety of sizes are available, 75mm-250mm with hoop, 300mm-450mm with fixed feet