... steel, copper ,galvanized round, Rectangular Detailed product description Circular screensCircular screens usagedpetroleum, oil refining, chemicals, light industry, medicinemetallurgy, machinery, ships ... , eliminating droplet droplet of vaporor gas , air cleaner of automobile and tractor Circular screens shapesRound shapeRectangle shapeElliptical shapeother shapesSingle piecemultiple layered ...