Roof Wind,Stainless Steel Turbine Ventilator Vents 15.7" ~ 4.3" Roof Flue Vent Automatic Rotation by Wind/air Flow, No Consumption Ventilating Fan, for Residential Buildings Farm Chimney Top

Stainless Steel Ventilation Caps for Exterior WallsMaterial: 304 stainless steel (internal plating)Advantages:Discharges indoor hot air and dirty air, purifying the indoor environment.Utilizes natural wind and air-heat convection to drive the turbine, resulting in zero consumption.Centrifugal force and negative pressure are employed to effectively expel stale air from the room.Application:For ventilation of exterior walls in various settings such as bathrooms, kitchens, warehouses, residences, apartments, etc.Name: No power hood (fume hood)Material: 304 stainless steel (galvanized inside)Function: ventilation, exhaust, ventilation, heat dissipationsize:110 mm (4.3 inches)150 mm (5.9 inches)200 mm (7.9 in)250mm (9.8")300mm (11.8")350mm (13.8")400mm (15.7 inches)Installation: The cooker hood comes with two installation accessories, a clip and a 90° fixed foot. The small size can be installed with clips to prevents gaps, and the large size can be fixed with 90° fixed feet.Package:Vent cap x 1 (110-250mm: 1 clamp, 300mm: 3 fixing feet, 350-400mm: 4 fixing feet)

• ✨ High-Quality Construction: Crafted from premium 304 thick stainless steel with a galvanized support frame and top-of-the-line ball bearings, ensuring durability and longevity.
• 🌬️ Natural Ventilation: Harnessing the natural wind and air thermal convection resulting from indoor-outdoor temperature differences, this turbine effortlessly rotates to expel stale indoor air, promoting fresh airflow.
• 🔇 Silent Operation & Rainproof Design Enjoy whisper-quiet spinning with our roof vent turbine, thanks to its noise-free mechanism. The encrypted blade clearance effectively prevents rain from infiltrating the ventilation system, ensuring optimal performance even in inclement weather.
• 🛠️ Effortless Installation: With the flexibility to be installed under slopes ranging from 0 to 22.5 degrees, setting up this ventilator is a breeze. Simplify your installation projects with ease and convenience.
• 🏠 Versatile Application: Perfect for a wide range of settings including chimneys, farms, factory roofs, commercial spaces, ventilation ducts, residential buildings, warehouses, and more. Enhance air circulation and maintain optimal indoor conditions effortlessly.