Supplied with one 38mm stainless steel arm with pen nib nozzle which can be simply attached to the workbench by using a versatile clamp bracket. If the work area moves, the Fume-Cube can be relocated in minutes. Features Automatic electronic flow control – maintains a constant extraction rate even as the filter blocks Speed control (adjustable airflow) VariColour filter blocked warning system Low capital and running costs Quick change patented Labyrinth pre-filter delivers longer filter life Submicronic (HEPA Filter) filtration removes 99.997% of particles down to 0.3 microns Activated Carbon Filters removes harmful gas Simple to install and quiet in operation Easy to relocate and precision made from stainless steel Optional interfacing option