Backpack sulphurator with manual operation, suitable for pesticide treatments with sulfur powder and micro granular products. Light on the shoulders, it is made of recyclable thermoplastic material resistant to corrosion. The tank has 5KG capacity and is resistant to UV rays. The product mixing device favors a complete emptying of the tank. The machine is equipped with two extensions and a fan-shaped diffuser nozzle, connected to the sulphuring machine with a flexible hose. The sulphuring machine is designed to be easily modified with left or right lever.