FIELD: purification of liquids and gases by filtering. SUBSTANCE: filter member has corrugated reticular cylinder embracing perforated cylinder and connecting unit with internal split ring located between cylinders, external ring surrounding corrugated reticular cylinder, sealing cap embracing said rings and cylinders, and installed for coming in contact with end faces of at least rings and perforated cylinder, holder embracing sealing cap, and/or mounting member. Rings are installed for tightening of corrugated cylinder. EFFECT: improved design. 8 cl, 4 dwg
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