Features: 1 Used for percolation and aeration. 2. Hole shapes: round , oblong, square , triangle Perforated sheet details: 1) Thickness: 0.5-3.0mm2) Materials: stainless steel 304/316/321, carbon steel, aluminum, copper, brass, cold rolled steel, hot rolled steel3) Dimenson: 1000*2000 (mm), 1220*2440(mm), 1250*2500 (mm) Our products are widely used for wine-making, malting, paper-making, mining, ...