It is effective for Class B flammable liquids and is electrically non-conductive. Carbon Dioxide is a clean, non-contaminating, odorless gas. Included Wall Bracket Manufactured and Tested to ANSI/UL Standards Complies with NFPA 10 Standard ISO-9001 / ISO-14001 Certified UL LISTED ALL FIRE EXTINGUISHERS COMPLY WITH THE RECOMMENDATIONS OF THE NATIONAL FIRE PROTECTION ASSOCIATION AND ARE TESTED AND RATED BY UNDERWRITERS LABORATORIES OR FM GLOBAL TO ANSI / UL STANDARDS.ALL EXTINGUISHER NAMEPLATES CONTAIN THE NECESSARY HMIS INFORMATION TO COMPLY WITH NATIONAL AND LOCAL OSHA REQUIREMENTS. Carbon Dioxide, Class B:C Extinguisher For use on Class B (Flammable liquid) spills or Fires involving live electrical equipment (Class C) 10 sec. Discharge time All metal valve construction, Brass Valve Includes Wall Bracket.