1Ceiling type air handling units 2.Supply fresh air,exhaust contaminated air 3.Air volume:2000~40000m3/h 4.Energy saving 1,Air volume: 1200-15000m3/h2 ... )3, Optional Coil rows: 4rows, 6rows4, Optional Type: Ceiling&Vertical&Horizontal type5. Application: for air conditioning system in industrial & commercial building, hotel ...