Specification of YS-4000-PRInside Dimension8080×3940×2700 mmL×W×HOutside Dimension8180×4040×3100 mmL×W×HMain DoorDrive thru, 2 units main doors, 3 folds/unit, 2840×2650mm(W×H), color: blue.Escape Door1 unit, 700×2000mm(W×H),color: white.Room BodyWall panels and roof panels are double skinned, tongue and groove structure, thickness:50mm, made by 0.376mm color steel with polystyrene(EPS) inside, color: white.Lighting SystemCeiling lights:10units×4pcs=40pcs36W, with electronic ballasts.Side lights:6units×4pcs=24pcs36W, with electronic ballasts.Exhaust Air SystemExhaust air from top, axial fan, air capacity: 12000 m3/h. Exhaust air cabinet installed in the corner of back side wall panels. Galvanized steel molding frame with exhaust air filterFiltering SystemPre-filter, exhaust fiberglass filter.Control SystemPower supply switch, fan operation and lighting switch.