... *2000mm(W*H),Color:blueBasementComplete steel assemble,heigh 300mm,2 rows of grilles,3 rows of indented plates.2pcs ramps 750*2000MMWall panels ... ,coated steel. Intake and exhaust 2pcs double-intake centrifugal fan,2*4KW,air capacity 25000m3/h,1pcs fan machine,air capacity ...