& Designed especially for schools. Ideal for practical science work. Fully mobile & lightweight. All round visibility. Quiet operation. Fully COSHH compliant. Tested by independent assessors. Large capacity 22kg Carbon Filter. Low airflow alarm. Filter saturation alarm (optional). High quality construction. Removable rear baffle. Moulded deep-lipped spillage tray. 2 fused electrical sockets. & 230 Volts 50 Hz 1 Phase 600 watts. Complete with Light Box 2 x 30 watt fluorescent tubes. Educational Filter & Braided Steel Tether Gas water waste and Electrical Services included. Filters : 1 x 22kg 'ED' Activated Carbon Filter and 1 x particulate pre-filter 96% efficient at 0.5 microns. Airflow : >400m3/hour Face Velocity : >0.5m/sec Fan : centrifugal brushless & sparkles to IP44 Noise Level : <55db(A) Height : 1820 mm x W 1040 mm x D 680 mm.