DWS™ Downflow Workstations (DWS-36) are high efficiency ductless fume hoods designed to protect the user and the environment from hazardous vapors generated on the work surface. Unrestricted front and side access to the ductless workstation facilitates applications requiring complex and intensive operator involvement, while downward airflow in the chamber protects the operator. Requires qty. 1 AST8-XXX-XL Filter sold separately. The DWS Downflow Workstation product is part of a line of filtered fume hoods based on the innovative Air Science Multiplex™ Filtration Technology that creates a safe work environment over the widest range of applications in the industry including forensic fingerprint powder, chemical, dental, forensic, histology, industrial, microscopy, pharmaceutical, and veterinary.