Maximum Air Flow 735 cfm Extraction Arm Diameter 8 in Extraction Arm Length (Maximum) 7 ft Filter Area 538 sq ft Filter MERV Rating 14 Filter Type Disposable Cartridge Filter Spark Arrestor Input Voltage 115V AC Motor Horsepower (Maximum) 1 hp Series Prism Compatible Filter Manufacturer Part Number KP1673-1 KP1673-5