... stainless steel, copper ,galvanized round, Rectangular Detailed product description Filter discs Filter discs usaged petroleum, oil refining, chemicals, light industry, ... w+dOpening=w/(w+d )2 X100% How to order Filter discsFor Example : AISI 304(316) mesh 100X100 wire ... diameter 0.10mm , diameter 280mm ,quantity 2000pieces Filter discs material mainly produce :AISI302,AISI304,AISI316,AISI309,nickel ...