... .1'-3' 3.120-200mesh 4.ISO standard Plastic water filters 1.As a company listed in Singapore , ATON Innovation Group ... , telecommunication ducts, PE fuel gas, etc.2.Details: Size of filters: 1', 1 1/4', 1 1/2', 2', 2 1 ... /2', 3'.Mesh of filters:120mesh-200mesh.Standard of filters: ISO standard.Application of filters: For irrigation and agriculture.3.Certificates ...