The Modular FilterPac Media Air Cleaner can process 2,000 to 8,000 cfm of air using bag, HEPA, pleated, or adsorber filters that are 99.97 percent efficient in re-moving particles 0.3 microns and larger, states the manufacturer. The motor output ranges from 1.5 to 5 hp. Depending on the horsepower, the blowers are either belt-driven, forward curved or direct-drive, backward inclined airfoil. Features of the air cleaner include modular cabinets, hinged side access door, numerous filter options, hot-dipped galvanized finish, and unitary mounting rails.