It is Suitable for very wide field of application such as pneumatic conveying, bakery materials handling, paper feeding, socks knitting machine, plastic granule conveying, chemical plant, health application, furnace air supply, bottling plant, waste water treatment, metal treatment baths, etc. Types: GLB90,GLB120, GLB180, GLB 250, GLB 370, GLB 550, GLB 750, GLB 1100, GLB 1500, GLB 2200, GLB 3000, GLB 3800, GLB 4000, GLB 5500, GLB 7500 Power: 90,120, 180, 250, 370, 550, 750, 1,100, 1,500,2,200, 3,000, 3,800,4,000, 5,500, 7,500W Frequency: 50/60Hz Voltage: 220 - 240V or 380 - 440V