Infilco Degremont, Inc.

Jerome C Sorosinski

Automatic backwash filter systems including a filter tank divided by vertical cell sheets into a multiplicity seriate cells are improved by provision, as retention for underdrain filter plates within the seriate cells, of unique contoured cell sheets having profiled faces each with a lower level, integral, protrusion segment that forms a support ledge for a cell filter plate and a higher level, integral, protrusion segment that provides a filter plate holddown feature in combination with filler members and horizontal retention bars.

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Pasadena, MD, United States of America

Jerome C Sorosinski