SpecificationsMaxRecirculating (Scrubbing)CFM: 2040 cfm / 3400 m³hMaxExhaustCFM: 1020 cfm / 1700 m³h @ 0.1 sec contact timeRecommended Min Airflow: 510 cfm / 850 m³hPrefilter: YesFlange: 8", 10", 12", 14"Dimensions: (with pre-filter)·Outside Diameter:42cm / 16.5"·Height:125cm / 49.2"·Weight:58.6kg / 129lbs.·Carbon Weight:46.7kg / 103lbs.·Carbon Bed Depth:6.5cm / 2.56"Max Operating Temp: 80ºCPressure drop at max cfm: 180pa/ .75"wg