General description Powerful and efficient performance with high-speed silent energy saving. This metal exhaust fan features high-quality fan blades that outperform plastic alternatives, ensuring smooth operation and a long service life with a special fully enclosed drum motor. It is environmentally friendly and non-polluting, making it ideal for planting room ventilation or in combination with carbon filters to control odors. Technical specifications Voltage: 220V 50Hz Input power: 40W Speed: 2800R/Min Air volume: 140m3/H Running noise: 30-35dB Size: 150 x 150mm Material: Metal Color: Black Other information Package Contents: 1 x Exhaust Fan Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.