FIELD: domestic purification equipment for potable water. SUBSTANCE: filtering unit has at least one purification stage made in the form of filtering device with at least one filtering member, contaminated liquid supplying device, device for discharge of incompletely purified liquid, purified liquid discharge device, and hydraulic accumulator. The latter has casing with neck and detachable cover. Flexible chamber is formed within casing. Filtering device is disposed in flexible chamber and hermetically fixed to detachable cover. EFFECT: reduced weight and sizes, simplified back washing of filtering device and enhanced reliability in operation. 4 cl, 6 dwg
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