Roof Ventilator, Flue Waterproof Vent, Wind Turbines Air Vents, 304 Stainless Steel Round Exhaust Grille Louvered Vent, DIY Easy Vent Hookup Kit, for Flats, Apartment, Home Decor

The Roof Wind Vent is made of high quality 304 stainless steel, which ensures stable ventilation in headwinds, prevents exhaust backflow, improves exhaust effect and improves combustion. It also keeps your chimney flue free from debris. Product Name: Turbine Ventilator Product Material: Thickened 304 stainless steel Product Color: Silver Product Specifications：110mm---400mm Product features: no energy power, high speed, high precision, high density, rain and smoke backflow prevention Product principle: the use of natural wind and indoor temperature difference caused by air thermal convection to promote the turbine rotation and thus the use of centrifugal force and negative pressure effect will be indoor not fresh air out.

• 100% Pure
• HIGH QUALITY STAINLESS STEEL: The roof wind exhauster is made of high quality 304 stainless steel, one-piece molding without deformation, and the surface is smooth without sharp corners. The curved wind blades have less wind resistance and rotate more smoothly.
• PROTECT FIREPLACE AND CHIMNEY: The fireplace top protects against weather changes, ensures steady drafts in headwinds, prevents exhaust backflow, improves venting and improves combustion. It also keeps your chimney flue free of debris.
• VARIABLE ANGLE NECKPIPE: Can be installed at 0-22.5 degree slope. Galvanized bearings are strong enough to withstand 200km/h wind speed and 100KG load pressure without deformation or damage.
• EASY INSTALLATION: Fully assembled and ready to install. One person can easily complete the installation, saving time and labor. Create a sense of security for your friends, family and yourself. Roof ventilator is very effective in preventing downdrafts and increasing ventilation; comes with clips to secure to smaller diameter pipes.