External Size (mm):(L) 12150 x (W) 7000 x (H) 5600 Internal Size (mm):(L) 12000 x (W) 5000 x (H) 4800 Main Door Size (mm): (W) 4000 x (H) 4800 Air Flow (m3 /h):36000 x 2 Air Speed (m/s):0.3-0.5 Operating Temperature (°C):60 ~ 80 Power (kw):41 Vehicle Suited: Truck and Bus Main features: 1. Wallboard:Sandwich style EPS (epispastics polystyrene) 75mm thickness. Colorful steel skin boards 0.476mm thickness. Galvanized steel roof panel. 2. Door: 4 pcs of front doors with special rigid frame. Size: 4000(w) x 4800(h). 2 pcs of emergency doors. 3. Air Intake System (2sets): Each set consists of 2x5.5kw intake fan. Total 4 units of 5.5kw intake fan. BELIMO 20N electric damper. 4. Air Exhaust System (2sets): Each set consists of 1x7.5kw exhaust fan. Total 2 units of 7.5kw exhaust fan. Multi-layer fiberglass filter. Exhaust air from basement or two sides of wallboard. 5. Heating System (2sets): Each set consists of 1 unit Italy Riello G20 diesel burner, 200000Kcal/h. Total 2 units of burners, 400000Kcal/h. The heat exchanger is made of 1.5mm thickness stainless steel which features more heat dissipating surface, better heat exchange and better burner efficiency. 6. Lighting System:Ceiling light has 16 units x 3 pcs of 40w lamps. Side light has 18 units x 2 pcs of 40w lamps. Total 84 pcs of 40w lamps. 900 Lux. 7. Air Purification:Dual filtering structure. The primary filter can capture granules larger than 10μm. Ceiling filter capture granules bigger than 5μm. The air cleanliness in the working environment can reaches 98%.