... PPshell, PP skeleton,do not add any adhesives Pleated filter cartridge, using built-folding structure of membrane, external ... Attn:a.Micro-membrane filter axis of flow and pressure ( 10Length of the filter is about 10 inch,b.Precision 0 ... .1µm , 0.2µm , 0.45µm, 1µm , 5µm, 10 ... µm, 30µm, 60µm,c.Length 5inch;10inch ; 30inch ; 40 inch Pleated Filter Cartridge