Browse our wide selection of laminar flow hoods, ductless fume hoods, PCR workstations, benchtop enclosures, and more. Fume hoods and enclosures are essential for protecting the laboratory from harmful fumes and contaminates, as well as protecting the process materials. Across International offers a wide catalog of standard models, as well as application specific solutions, all built to the highest standards and supported by world-class technical support.