Product Information
- ◎ Unpowered hood: made of high-quality 304 thick stainless steel, galvanized support frame, high-quality ball bearings
- ◎ Features: zero consumption, zero noise, rainproof, rustproof, high hardness, corrosion resistance and long service life.
- ◎ Working principle: Use the natural wind and air heat convection caused by the temperature difference between indoor and outdoor to drive the turbine to rotate and exhaust the old indoor air.
- ◎ Installation: The windshield is equipped with two installation accessories, a clamp and a 90° fixed foot. Small size can be installed with clamps to prevent gaps, large size can be fixed with 90° fixed feet.
- ◎ Application: Suitable for ventilation ducts, chimneys, farms, factory roofs, warehouses, etc.
