BZB-8400 auto spray booth usd8758 Cabin System Wallboard EPS (epispastics polystyrene)Colorful Steel Skin Boards,50mm Thick, Tongue & Groove Style,Compound Construction, Anti-flame and Heat-Insulation Galvanized Roof Panel Basement Galvanized Steel Sheet and Square Steel Pipe assembling, Two Rows Grid & Three Embossed Plate Ramp Two Ramps, Embossed Steel Plates. Air Intake and Exhaust System Inhaling Ventilator Model: YDW 4.5L1 Exhaust Ventilator Model: YDW 5.6S Blower capacity: 12000m3/h Blower capacity:15000m3/h Pressure: 815Pa Pressure: 810Pa Rolling speed: 900rpm Rolling speed: 900rpm Power: 4kw Power: 5.5kw Quantity: 2 sets Quantity: 1set Air Volume: 24000m3/h; Air Speed: 0.35m/s