Our 9874-EFC and 9878-EFC Air Filtration Carts filter impurities and hydrocarbons from an air compressor to convert to breathable air. To meet OSHA requirements a CO monitor is included for continuous monitoring of carbon monoxide levels. The 9874-EFC Panel provides up to 60 CFM (101.94 m3/hr) and the 9878-EFC Panel provides up to 100 CFM (169.9 m3/hr) of air within a 5-125 PSI (0.34-8.62 bar) range.