1.90 micron stainless steel filter screen 2.Mesh count:1--600 ... :304,304L,316,316L 4.Aperture:0.022-23.37mm 90 micron stainless steel filter screen 1. Materials: sus304, sus304L, sus310 ... Weave, and Dutch Twill Weave.3. Features: excellent resistance against acid, alkali, heat and corrosion4.Mainly used: stainless steel wire mesh ...