... Material:polyester,Synthetic paper Frame Material:Metal5.Weight About 3kg6.Fitting Machines: Hitachi7.Max operation pressure:1.98 kpa8.Filter surface ... , ONA , Hitachi, SPM, Makino, Maxi, Seibu, etc..Reduce Your set up time.Maintain more accurate aligment.Increase guide life.Precision edm ... Consumables TW-22 EDM Water Filter For Wire Cut Hitachi Machine