1?��Scope of Application: Inline duct fan can be used in family residences, Internet cafes, KTV, restaurants, offices, office buildings, shopping malls, hotels, etc. 2?��Eliminating Odors: Ventilation exhaust fan is designed to eliminate odors and chemicals from grow tents and hydroponic chambers. 3?��Circulating Air: Vent blower is used to ventilate grow tents, transmit heating or cooling air to rooms, circulate fresh air, remove odors. 4?��Quiet Operation: Professional manufacturing, low noise operation, without any harm to your health and will not affect your work. 5?��Strong Wind: This is a powerful ventilation blower with a fan speed of 2200/2550 r/Min, which is fast to cool or heat the room. 1 x Inline Duct Fan4 x Screw4 x Rubber Plug1 x Manual Item Type: Inline Duct FanMaterial: PPCharacteristic: 6in two speed adjustmentSize: Approx. 31x24x20cm/ 12.2x 9.45x 7.87in (L x W x H)Pipe Hole Diameter: Approx. 15cm/ 5.91inInput Frequency: 50HzPower: 80WAir Volume (M3/H): 540M3/HAir Pressure (Pa): 300PaSpeed: 2200/2550r/MinCable Length: Approx. 60cm/ 23.62inScope of Application: Family residences, Internet cafes, KTV, restaurants, offices, office buildings, shopping malls, hotels, moxibustion physiotherapy smoke exhaust, laboratories, computer rooms, chess and card rooms, gymnasiums, beauty salons, fitness clubs, basements, swimming pools, etc. ventilated environmentWeight: Approx. 2500g/ 5.51lb