For use in pharmaceutical, chemical, biological, and toxicological laboratory settings. Specifically designed to provide maximum containment for balance applications. The opening of the enclosure has uniquely designed acrylic airfoils that allow a smooth turbulence-free airflow that prevents balance fluctuation. Weigh down to 5 places without fluctuations or loss of product. The work surface is black for easy powder detection, constructed of tough, chemically resistant phenolic resin, and has a dished bottom for containing spills. Enclosures feature an ergonomic, energy efficient design with angled front for worker comfort. 

EVA exhaust blower and HEPA/Carbon filter not included. We have 6 units of various sizes including 3ft and 4ft with varying working heights. List price for new unit is ~$6K, so this a great value.