These units use compressed air to provide powerful, low cost vacuum cleaning and conveying. Ideal where electric units cannot be used or electric power is not available Airvacs may be used with safety wherever there is explosive fumes or dust. There are 3 sizes 205, 60 & 25litre. They are ideal for heavyduty spot suction & vacuum clean up, in demanding and hazardous work environments. They can also convey & pick-up liquids, slurry & are ideal for the recovery and reclaiming of valuable materials. The 205litre unit, with dual venturi, uses 50mm hose & is capable of handling wet or dry material. It is designed to allow an operator to quickly switch the suction head to alternative 205litre drums. This provides unlimited collection capacity and higher productivity. The 60litre unit is a single venturi, uses 38mm hose & is capable of handling only dry material. There is also a Junior unit that uses 38mm hose & comes complete with a 25litre drum, on castors. A full range of hoses and attachments are available.