... panel double skinned,tongue and groove construction,thickness 50MM Lighting system Ceiling light 3pcs*8unites=24pcs*36W,lower light: Optional Generator ... *4KW,air capacity: 25000M3/h Heating systemInfrared heating,maximum heat 240000Kcal Filtering system Pre-filter,ceiling filter, Control system Spraying,risen-temperature spraying,baking ...