Features: Experience efficient ventilation with our exhaust fan, featuring a high-speed fan equipped with antibackflow valves for optimal performance in various environments. Crafted from durable PVC, this wall-mount ventilation system boasts a powerful 3600 RPM motor, making it suitable for both exhaust and intake applications. Ideal for homeowners, hobbyists, and small business owners seeking a sustainable solution for air circulation in their space. Suitable for use in greenhouses, sheds, chicken coops, garages, kitchens, bathrooms, and more, ensuring fresh airflow and temperature control. The wind enters through a circular pipe and exits through a square panel. The panel is installed outdoors as an exhaust fan, while the square panel is installed indoors as an intake fan. Specifications: Component: PVC Size: Approx. 15 x 15 cm (5.91 x 5.91 in) Thickness: Approx. 11 cm (4.33 in) Circular Tube Diameter: 100 mm (3.94 in) Input: 5.5 x 2.1 mm Speed: 3600 RPM Cable Length: Approx. 11 cm (4.33 in) Package Includes: 1 pc Exhaust Fan Note: Please allow 1 mm error due to manual measurement. Due to differences between monitors, the picture may not reflect the actual item color.