Biostar pneumatic duster is produced in the mounted version with tanks capacities of 75-110-150 kg, and is suitable for all kind of dust treatments, especially using “ high quality sulphur”, aimed at crops protection. The mechanical duster works thanks to an oilbath gearbox with conical helical gears. Inside the tank a mechanical mixer that allows a constant powder distribution, while a specific dust regulator ensures a perfect and a constant dust distribution. Moreover, distributors (mainly produced in polyethylene) can be individually closed.