stainlesssteel wire mesh disc material:ss,galvanized wire,bronze wire,etc. filter:hepa filter certificated:ISO9000:2001 stainless steel wire mesh discMaterial: stainless steel(AISI 201,202 ... ,304L,321,316,316L)galvanized wire, bronze wire, phosphor wire, nickel wire, PP, PC, PE, PVC, PTFE, etc. Usage : the products are made in different ...