... CE approved, ISO 9000 quality and safety control 2.Professional ventilation system 3.High performance,energy saving MST-BY- MR Paint ... Ceiling lights 8units×4pcs=32pcs 36W, with electronic ballastsExhaust system: Exhaust from rear side wall, air capacity:5700m3/hPurification ... System: Pre-filter, fiberglass filterControl box: Fan operation switch, ...