These vacuuming units are designed for transferring powdered and granulated products at flow rates of up to 700 kg/h, and come in three-phase models with powers of up to 2.2 kW. They are equipped with a Ø50mm connection to the vacuum hose, but do not include a breathing valve. B: basic model with uncovered motor (visual motor) BF: basic model with uncovered motor and safety filter BIF: basic model with uncovered motor, safety filter and electric box C: model with motor housing CF: model with motor housing and safety filter CIF: model with motor housing, safety filter and control box CK: model with motor housing and safety filtering chamber CIK: model with motor housing, safety filtering chamber and control box