Air Science® DWS™ Downflow Workstations 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 facilitates applications requiring complex and intensive operator involvement, while downward airflow in the chamber protects the operator. The DWS™ Downflow Workstation product line is based on an innovative Air Science® Multiplex™ Filtration Technology that creates a safe work environment over the widest range of applications in the industry.