This unit is designed to treat volatile organic compounds odors and other airborne pollutants. It features a 24 lb. vocarb-blend carbon filter an easy-clean pre-filter and a medical grade HEPA filter which removes 99.97% of all airborne particles down to 0.3 microns. Filtration System: 24 lb. carbon filter 2.5 depth medical-grade HEPA pre-filter. Surface Area of Carbon Media: 3000 acres. HEPA: Medical-grade removes 99.97% of all airborne particles 0.3 microns in size. Surface Area of HEPA Media: 6416 sq. in. CFM: 400. Speed: 3-speed. Available Colors: Black Sandstone White. Voltage: 115/60Hz or 230/50Hz. Amps (115V/230V): 1.3/0.5. Cord Length: 8 . Noise Level: 50-75 dB. Maneuverability: 4 x 2 wheels. Filter Access: Pre-filter bottom no tools Main filters bottom with screws. Motor Details: Motor with a blower wheel. Number of Units per Pallet: Multiple. CSA/UL: Yes. Dimensions: 23.5 H x 15 Dia.