Stainless Steel Roof Vent with Wind Cap, Non-Powered Ventilator for Chimneys, Farms, and Buildings

This roof ventilator utilizes natural wind and air heat convection caused by the temperature difference between indoor and outdoor to drive rotation, employing centrifugal force and negative pressure to discharge stale air from the room. It is constructed from 304 stainless steel and available in various diameters: 110mm/4.3in, 200mm/8.0in, 250mm/10in, 300mm/12in, 350mm/14in, 400mm/16in, 450mm/18in, 500mm/20in, 600mm/24in, 800mm/32in, and 1000mm/40in. The package includes one stainless steel top cover with accessories. Note that the mounting nozzle is slightly smaller than the vent pipe for easy installation; please refer to the dimensional details to select the appropriate size. The product is measured manually and may have an error of 2-3cm.

• Constructed from durable 304 stainless steel, this vent offers excellent corrosion resistance, robust protection against rain, and high durability in harsh conditions, ensuring long-lasting performance.
• Designed with a non-powered rotating mechanism, this roof ventilator provides efficient ventilation while minimizing noise, creating a quiet environment suitable for various settings.
• Versatile in application, this vent is ideal for both residential and light commercial use, including spaces such as factories, farms, workshops, kitchens, roofs, and houses, enhancing airflow wherever installed.
• With dimensions of 4.3 to 440 inches, this vent ensures adequate airflow efficiency, effectively ventilating spaces in both residential and commercial environments to maintain optimal air quality.
• The package includes one rotating vent, offering convenience for projects ranging from rooftop overhauls to adding extra ventilation, making it a practical addition to your toolkit.