Fume extractors online store in the UK 2025 with LEV Supply: Downdraft tables are a simple and effective source-capture fume ventilation system. Fumes are drawn down and back through a grid into exhaust ducting, preventing them from rising and mixing into the worker’s breathing zone. Downdraft tables are suitable for smaller workpieces. Portable high vacuum (PHV) systems are optimal for small weld and fabrication shops, maintenance facilities, and schools. Portable fume extractors are ideal solutions for confined spaces such as ship hulls and tanks, difficult-to-reach locations, or for occasional welding…