The DS-One is compact, lightweight, and easy to maneuver. Laminar flow barrier, prefilters and 99.99% U.L.Class 1 HEPA filtration are in place to guarantee protection for the operator. DS-One structure materials are aluminum (frame), thermoformed plastic (funnel), and polycarbonate (side panel) with an AISI 304 Scotch Brite finish which makes cleaning and sterilization easy.