PurairADVANCED Ductless Fume Hood, 96 inch / 2400mm Nominal Width, AUTOCAL Airflow Display, Comprising of a P40-HEAD-G-ACAL, P40-XT-ENCL, TRAY-P40, ( DWYER Airflow Meter Delete), Standard Depth, 230V 50Hz, UK Cord set (unless specified). Requires Minimum Three ASTM-XXX Main Filters and Three Optional ASTS-XXX Safety Filters