High permeability,filter precision,stength,heat-resistant,shock-proof and corrosion-resistant. Long service life. Range: 5~20um. 1. Sintered Filter Features:a, High ... and machined.c, Regerable and with long service life.d, filter range: 5~20um.e, Material can be bronze and stainless ... steel powder according to customer's drawing. Sintered Metal Powder Filter