With the Danduct Clean VT4000 ventilator unit you have the perfect all-in-one solution to extract and filtrate all dust and debris from the heating, ventilation and air-conditioning systems. The VT4000 is a very powerful ventilator with air flow of 5.200 m3/h. For easy operation it has a control panel with vacuum meter, Amp meter and on/off switches. The mobile unit is equipped with a standard 16-m2 – H13 HEPA filter, which allows you to use it even in strict surroundings like hotels, and hospitals. For easy cleaning and to minimize downtime the filter unit is equipped with roto clean system, that simple vibrate the filter from inside, and loosen the debris to fall into the pail bucket for emptying. Correct use will extend the lifetime of HEPA filter significantly.