... *4000*3050(L*W*H)Room bodyRear side with EPS wall panel,other with PVC curtainWall panelThinckness:50mm,EPS(12g),precoated steel ... . LightingCeiling light with 4x36wx8set Air make-up unitGalvanized steel plate structrare. Blower1xYDW-5.5kw fan &motor Filter systemPefilter,ceiling filter,floor paint ...