Standards, directives & trends in modern fine & filter techniques were the basis for the design of the ha 3210. Designed for multiple & large machine workshops. This powerful extractor unit filters 2000m 3 of dust free & parifeed air back to the workshop. Fitted with a large 140mm dia hose for larger machines, it can be easily adapted to take 2 x 100mm hose sections with an affordable v twin nozzle adaptor. A fine filter cartridge with a filter surface of 9.5m 2 is also available as an accessory to furthur increase filter capacity..