Dimension: 680mm * 760mm * 1580mm Voltage / Power: 220V/3KW Airflow: 7200 m2 / h filtration Rating: 3, Filtration precision: 99.99% Noise: 71DB Weight: 69KG Product Description: Ultra High dust box using imported fan casing made of aluminum alloy. Enclosure design structure split into three sections for the central air-conditioning duct cleaning dust and dirt collected special equipment. This equipment uses ultra-high-power motor and adjustable speed and low noise. Because the equipment is three filtration systems, filtration efficiency of 99.99% Product features: using imported fan, aluminum chassis, big power, low noise, small resistance, large dust capacity, dust a long time interval, and at the job site can be closed fallout work without cause secondary pollution and many other advantages.