Purair®ADVANCED Ductless Fume Hood, 39" / 1000mm Nominal Width, AUTOCAL Airflow Display, Comprising of a P10-HEAD-G-ACAL, P15-XT-ENCL, TRAY-P15, (DWYER Airflow Meter Delete), Standard Depth, 230V 50Hz, UK Cord set (unless specified). Requires Minimum One ASTM-XXX Main Filter and One Optional ASTS-XXX Safety Filter