FIELD: liquid filtration. SUBSTANCE: filter comprises casing with channel in its top section provided with shut-off device to reduce pressure, cover, filter unit, and means to apply pressure to liquid being filtered. The latter means is made in the form of vessel of elastic material equipped with admission and discharge back valves. Filter unit constitutes a packet of filter elements collected in collector tube connected with outdoor environment through branch pipe installed in casing wall. EFFECT: improved design. 3 cl, 3 dwg
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