... PVC soft curtain , curtain color(white, transparent , blue)Intake & Exhaust fan: Generator dimension 3450*1050*3100mm, with 1 set 5.5KW ... fan for exhaust air , belt-drive motor position,back side exhaust ... pocket pre-filter, ceiling filter , floor filter(fibreglass)Control system: fan switch, electric damper, light switch.Installation: steel rope hanging or ...