... Lighting system Ceiling lights:8units*4pcs=32pcs*58w,with electronic ballasts,litvertically set lighting boxes are powered coated. ... :210000kcal/h Filtering system Pre-filter,ceiling filter,exhaust fibreglass filter Roof Plates pre-filter,ceiling filter,fibreglass ... switch,failure indicator,thermostat,power supply switch,emergncy stop,hour meter.All motors are normal start.Technical Paremeters for ...