FUMES DON’T STAND A CHANCE. The Prism Mobile product family are low vacuum systems for welding fume extraction and filtration. The Prism Mobile helps reduce dust and dirt in operator and surrounding work areas for a cleaner work environment. Their size and mobility make them ideal for smaller manufacturing facilities that require light to medium duty welding fume extraction in variable locations such as small manufacturing facilities, maintenance and repair, and training schools. Not suitable for use with cutting or arc gouging operations.