Manual bellows for small treatments with sulphur powder or microgranules. It is operated with two hands and has a tank with a capacity of approximately 1 kg of product. Empty, it has a very light structure. A very performing ventilation system is by wide bellows, creating a large quantity of air, allowing to reach considerable distances, both vertically and horizontally, thanks to the extension and the large flow. It is supplied with a 50 cm rigid extension with a fan-shaped diffuser blade at the end. In the product tank, as standard, there is a grinder to grind any lumps of product inside the tank.