The Dual Arm Fume Extractor provides source capture fume extraction for two operators simultaneously (up to 175 CFM per arm - 350 CFM total). The dual 48 in. (121.928 cm) self-supportive flex arms combined with a powerful fan direct fumes and particulate away from the operator’s breathing zone into the filtration system. This unit can be mounted on the wall or bench, or placed on the floor to save space. The Dual Arm Fume Extractor offers fume extraction for a variety of applications including chemical fumes, solvent and epoxy fumes, dust, and other lab processes. Approximate Airflow: up to 350 CFM (175 CFM per arm). Filters Available: HEPA Filter, ASHRAE Filter, ULPA Filter, Activated Carbon, and specialty-blended filtration [i.e. acid gas, mercury, aldehyde, and ammonia].