Fume Extractor with Multi-Stage Filtration Maximum Air Flow 350 cfm Minimum Air Flow 100 cfm Extraction Arm Diameter 3 in Power Consumption 350 W Sound Level 65 dB Filter MERV Rating 14 Filter Type HEPA Filter Input Voltage 120V AC Current 2.8 A Extraction Arm Adjustability 3 in Diameter Rigid Flex