Description Overview This listing is for a single used face mask production machine Specifications Finished mask size: standard 175 x 95 mm Finished mask size: special 180 x 95 mm; 145 x 90 mm; 125 x 90 mm Production speed: 20 to 25 pcs/min Power: 12 kW Ultrasonic frequency: 20 kHz Power supply: 220 volts and 50/60 Hz Air pressure: 5 to 6 kg/cm² Driving method: servo and stepping motors