T22 T40 Voltage Volts 220/400 400 Power Kw Cv 2,2 3 4 5,5 Vacuum Max. mm/H2O 3.000 4.800 Air flow Max. L./min. 5.200 8.800 Filtering surface Cm2 24.000 24.000 Noise level db(A) 74 76 Dust container L. diameter 65/100 450 65/100 450 Suction diameter mm. 80 80 Overall dimensions Cm. 120x65x150 120x65x150 Protection IP 54 54