The AirMed 1 Supreme is ideal for general filtration in smaller rooms, large activated carbon filter with granular carbon for better filtration of chemicals and odors, Activated carbon filter, 1" depth, medical-grade HEPA, pre-filter, CFM: 100, Speed: Variable, Noise Level: 40-60 dB, Voltage: 115/60Hz only, CSA/UL: Yes https://gdimed.com/collections/medair-air-purifiers/products/airmed-1-supreme-air-purifier