... rateconvenient installation, high efficient , long working time4.Filter Cylinders materialstainless steel mesh , iron mesh ,coppe rmesh ,steel mesh5.Filter Cylinders formWeave mesh, welded mesh, perforated ... high quality and satisfied service. ninghai xinming hardware&plastic factory Science&technology industrial park,ninghai,china TEL:0574-67059188FAX:0574-65338518 perforated filter screen ...