Best Freshweld online shopping UK: Extraction hoods, or fume hoods, are ideal for robotic welding cells. These systems can also be used when welding is confined to a specific area. Plymovent FlexHoods are modular extraction hoods that can be ceiling mounted or held by standards. Extraction hoods will capture rising fumes and into your filtration system before they mix with your facility’s general atmosphere. Extraction hoods are common in facilities with robotic welding as part of their welding shop ventilation system. Strict rules and regulations exist to protect employees and ensure a safe working environment. A well-designed fume extraction system …