... 83%- B Air-Intake Filter* 1set, 600G high efficiency filter (ceiling filter) - filtering rate > 97%- C Air-Exhaust Filter* ... Air Ducts* 3pcs, and Air Damper (electric)* 1unit6. Illumination- Ceiling Lights * 32pcs, 36w each, with electronic ballasts, powder-coated light ... box.- Side Lights * 18pcs, 30w each, with electronic ballasts, vertically set, ...