Basic parameters: Device size: 6.6 meters long x 3.5 meters wide x 2 meters high See picture: Voltage: AC 220V 12 A Compressed air: 0.6 ~ 0.8 MPa Suitable mask specifications: 2/3/4 layer non-woven flat mask Mask size: 95x175 mm Production efficiency: 90 ~ 120 pcs / min 24 hours continuous work.