Features: Experience efficient ventilation with our Exhaust Fan, featuring high speed fan equipped with antibackflow valves for optimals performances in various environments. Crafted from durability PVC, this wall mount ventilation systems boasts a powerful 3600RPM motor, making it for both exhaust and intake applications. Perfect for homeowners, hobbyists, and small business owners seeking sustainable solution for air circulations in their space. Suitable for use in greenhouses, sheds, chicken coops, garages, kitchens, bathrooms, and more, ensuring freshing airflows and temperature control. The wind enters through a circular pipe and exits through a square panel. The panel is installed outdoors as exhaust fan, while the square panel is installed indoors as intake fan Specifications: Component:PVC Size:Approx.15x15cm/5.91x5.91in Thickness:Approx.11cm/4.33in Circular Tube Diameter:100mm/3.94inch Input:5.5x2.1mm Speed:3600rpm Cable Length:Approx.11cm/4.33in Package Includes: 1pc Exhaust Fan note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.