FIELD: water treatment and water delivery equipment. SUBSTANCE: apparatus has collector and pipes provided with openings and plugs at pipe ends. Pipes are connected to collector. Chute with slits is hermetically attached to pipes above pipe openings, and shields with two slits are positioned above chute slits. Shields are disposed in parallel with pipe generatrix. Chute is equipped with two supports extending through its cross section. Total area of pipe openings exceeds total area of cross section of cavity defined by chute and pipe, and total area of cavity section exceeds that of slits. EFFECT: simplified construction, increased efficiency and uniform distribution of liquid filtering rate. 2 dwg
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