Allegro® air filtration panels filter impurities and hydrocarbons from an air compressor to convert to breathable air. To meet OSHA requirements an optional CO monitor is available for continuous monitoring of carbon monoxide levels. Panel provides up to 30 CFM (50.97 m³/hr) of air within a 5 to 125 psi (0.34 to 8.62 bar) range. Allegro® 9872-W/O Carry-Air™ Filtration Panel without CO Monitor, 2-Worker