AERO 21-01 PC Wet & Dry VacuumNilfisk AERO 21 01 PC Wet Dry Vacuum Being compact, light weight and robust, the AERO wet and dry vacuum cleaners can easily be transported to any location, e. g. by car. After finishing your job, the container can nice and easily be emptied either by dispose the standard fleece filter bag or by tipping the container by the lifting handle found on some models. The Push&Clean filter cleaning system prevents loss of performance and increase productivity