The DS2-EX Series is legally certified to Class I, Division 1 & 2, Group D and Class II, Division 1 & 2, Groups F & G requirements for use in hazardous locations, and is ETL third-party certified to UL and CSA standards. It reaches full compliance with OSHA and NFPA initiatives for combustible dust as well. Vacuums are safe, with all parts and components fully grounded, static dissipating and guaranteed to be spark-free. The series features eight different models featuring continuous-duty operation in a compact size.