Product Detail Portable HEPA air cleaning device 24 gauge cold rolled steel construction Three-stage filtration: prefilter, HEPA filter, V.O.C. filter Effectively cleans air in rooms up to 100 sq. ft. Thermally protected Class "B" insulated motor . The "Amaircare 3001111 Portable 3000 Room Air Filtration System in Sandstone" is best product for you. We recommended Amaircare 3001111 Portable 3000 Room Air Filtration System in Sandstone