... 4000×4500mm (W×H), galvanized steel frame, with polystyrene (EPS) inside, colour: blue.Emergency door: 2 units, 800× ... room body; wall panel thickness:70mm, width:1150mm, tongue and groove structure, 0.476mm colour steel with polystyrene(EPS) insulation inside ... exhaust fiberglass fiter, activated carbon filter.Roof: 50mm thick EPS heat preservation panels.Control system: Spraying, heat spraying, baking ...