Ventilating duct 1, It's attractive and durable . 2, Fire,acid and alkal corrosion proof. 3, Perfect design. Ventilating ductFume hoods features: steel high quality panited steelWorking surfaceLaboratory specialized 12.7mmbase cabinetCold-rolled steel, parkerised by acid, coated by expoxy resin.drawer One door ,one drawern or up to clientsInner liner ,air baffler 5mm compact grade laminate, high ...