Description: Ducting Size (Dia x H): 20x24cm/ 7.87x9.45inch; Suction air volume: 1300cubic/H; Wide Applications: Kitchens, Bathrooms, Greenhouses, Grow Rooms, Grow Tents, etc; Silently working, 50-60db low noise; Feature: anit rust stainless steel frame, silently, low vibration, large air suction volume; Specification: Material: stainless Steel Working Power: 80W/220V Rated Frequency: 50HZ Rated Speed: 2800r/m Hole Dia: 20cm/ 7.87inch Note: plug NOT INCLUDED Package Includes: 1 Piece Air Ventilation Fan