Roof Wind,Stainless Steel Turbine Ventilator Vents Non Power Chimney Cowl Attic Air Vent Outlet Ventilating Fan 4 8 10 12Inch Rotating Roof Vents, No Rust, No Deformation (Size : 11cm)

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.**House Chimney Vent Cap**- **Name:** House chimney vent cap- **Material:** 304 stainless steel (internal plating)- **Function:** Ventilation, Exhaust, Heat Dissipation- **Features:**- Zero consumption- Zero noise- Rainproof- Rustproof- High speed- High hardness- Long service life- Prevents pipes from being blocked by nests and debris- **Sizes:**- 110 mm (4.3 inches)- 150 mm (5.9 inches)- 200 mm (7.9 inches)- 250 mm (9.8 inches)- 300 mm (11.8 inches)- 350 mm (13.8 inches)- 400 mm (15.7 inches)- **Packaging:**- Vent hood x 1- Accessories:- For 110-250mm: 1 clamp- For 300mm: 3 fixed feet- For 350-400mm: 4 fixed feetThis vent cap, made of durable 304 stainless steel with internal plating, is designed for ventilation, exhaust, and heat dissipation in chimney mouths. Its innovative design harnesses wind energy to promote air circulation, with higher winds resulting in faster rotation. It boasts zero energy consumption, emits no noise, and is resistant to rain and rust. Its sturdy construction ensures a long service life, and it effectively prevents pipes from being blocked by nests and debris. Available in various sizes to suit different chimney diameters.

• ✨ 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.