Wind-driven ventilator compatible with attic - 110mm non-powered roof vent 2-pack

2 Pcs 110mm Non Power Roof Ventilator Wind Turbines Attic Air Vent compatible with Houses Factory Attic Farm Lea our package includes 2 non power roof ventilators, each with a hoop; The vent connection size details to about 4.33 inches/ 11 cm in diameter and 7.48 inches/19 cm in height; It ensures quick and proficient release of roof air in just a matter of minutes while securing your space against rain and moisture the non power roof ventilator is exclusively constructed with the quality 201 stainless steel, assuring you of its longevity and sturdiness; The material does not only resist rust but endures high temperatures as well, perfect compatible with challenging weather conditions our non power roof ventilator does not require any electricity to operate; Instead, it automatically exhausts air throughout the day; Avoid extra expenses and the worry of short circuits with this energy conservation solution that offers continuous and noiseless operation the ventilator comes with a tube diameter of about 4.33 inches/ 11cm and a turbine diameter of about 7.48 inches/ 19cm; Its perfect size assures quick and efficient air release while keeping your space free of moisture and stale air this ventilator is your reliable companion compatible with residential use or light commercial applications; It's perfect compatible with spaces like factories, farms, production workshops, kitchens, roofs, and houses; The easy air flow makes it a suitable choice compatible with chimneys not frequently applied, ensuring a comcompatible withtable environment Despite requiring no electricity compatible with operation, the ventilator assures quick air release in minutes. Reliable and efficient, the ventilator secures your surroundings against rain and excess moisture. Enjoy silent operation with our non power roof ventilator. Its seamless operations ensure quick air ventilation without creating excessive noise. Made from quality Stainless Steel, you can rely on its rustproof and heat resistant capacity to provide years of efficient service. Size: Tube diameter: about 4.33 inches/ 11 cm Turbine diameter: about 7.48 inches/