Designed primarily for removing heavy concentrations of chemicals and odors this unit features a significant 28 lb. deep-bed carbon filter a micro-HEPA for particles and an easy-clean pre-filter. Filtration System: 28 lb. carbon filter 3 depth micro-HEPA wrap rated at 99% efficient at 0.1 microns pre-filter. Surface Area of Carbon Media: 3500 acres. Micro-HEPA: Material rated at 99% efficient at 0.1 microns. CFM: 400. Speed: 3-speed. UV Lamp: Available. 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.