... for filter Expanded Mesh stretch Material :Aluminum foil Expanded Mesh stretch production process:stamped and stretched Expanded Mesh stretch Hole pattern: diamond, hexagon ... ,4X8mm,5X10mm,6X12mm,8X16mm,10X20mm,12X20mm,15X30mm,20X40mm Expanded Mesh stretch Application: electro, air filtration, architecture decorate, equipment protection, signal screen ...