Description and application: 1. Compact design, portable and durable. 2. With 3 independent and powerful vacuum motors, it works at a low noise level and has a long lifetime. 3. Inner cyclone seperator and automatic motor overheating safety device ensures a high working efficiency and safe operation. 4. 1.8 m2 star filter area ensures 99.9% filtering fineness. 5. This series can clean big workshop, big warehouse, parking lots, etc. 6. Optional fixed vacuum brush, 780mm in width helps you clean big warehouses and parking lots easily and quickly. Technical parameters: Model pi-8/50 pi-10/50 Voltage 220v 220v Power 2¡á1kw/2¡á1.3hp 3¡á1kw/3¡á1.3hp Max. Vacuum 25kpa 27kpa Airflow 310 m3/h 310 m3/h Weight 70kg 72kg Noise level 70db 72db Dust collector capacity 50l 50l Dimensions/mm 940*570*900 940*580*950 Technical parameters: Model pi-8/50 pi-10/50 Voltage 220v 220v Power 2¡á1kw/2¡á1.3hp 3¡á1kw/3¡á1.3hp Max. Vacuum 25kpa 27kpa Airflow 310 m3/h 310 m3/h Weight 70kg 72kg Noise level 70db 72db Dust collector capacity 50l 50l Dimensions/mm 940*570*900 940*580*950