Our standard Downdraft Spray Booth draws non-pressurized fresh filtered air, from a ceiling-mounted supply plenum, which then flows uniformly over the entire work area and out through a filtered, grated in-floor or grids basement exhaust plenum – creating an optimal spray coverage environment. Spray Booth Specifications: The main room & generator system: Wall panel: sandwich style, δ=50mm，rock wool available as required. Basement: steel structure, full grids，ramp: 2 pcs of grids. Door: 3 pcs of front door without aluminum side cover. 1pcs of emergency door with pressure lock. One 11kw intake fan and one 11kw exhaust fan. DUCTS: Electrical VCD. one pressure meter. Spraying/baking transition damper, automatically air controlled. Fire protection equipment: 1set, the inductor control closed; energysaving equipment: 1set. 4m straight exhaust ducts, one 90° bend, and one 60° bend.Intake duct :4m straight exhaust ducts, one 90° bend, and one 60°bend. 4m straight chimney and 2 small bends.