Portable, oil-less pump supplies clean, breathable air to NIOSH approved respirators Cost effective pump produces no carbon monoxide, oil vapor, or oil mist, thus eliminating the need for carbon monoxide monitoring and alarm systems Rotary vane pump uses 4 carbon vanes that last from 5,000 to 15,000 hours of continuous running Ideal for painting and finishing, chemical handling and clean-up, and hazardous materials handling and removal Fully assembled including all filters, couplers, carrying handle, rubber feet, and electric switch cord Equipped with OBAC fittings.