1.material:PP or PE, nylon 2.micro rating:0.5-200 3.collar type: steel ring or plastic ring 1.The filter bag MATERIAL:PP , PE ,NMO, PTFE2. SIZE:7''*17'', 7''*32'',4''*9'',4''*15''3.MICRO:0.5-25004.COLLAR:STAINLESS STEEL , PP, PE, ZINC PLATED STEEL 5. can be customerised