Patent ID: 6478957
Filing Date: 2002-11-12
Classification: B01D

Abstract:
A filtering apparatus for a wastewater treatment tank comprising:a vertically extending cylindrical elongated filter element receiving tube having an open top and a bottom portion with a central opening within the tube extending from the top to the bottom portion; a horizontally extending outlet conduit in flow communication with the central opening of said filter element receiving tube, said outlet conduit having a first filter element stationarily mounted at a juncture with said central opening and, a removable second filter element received within said filter element receiving tube, said second filter element having a first flexible seal extending around an outer surface at a lower end of said filter element receiving tube, said first flexible seal engagable with an inner surface of said flexible element receiving tube whereby upon removal of said second filter element said first flexible seal engages wit a filtering surface of said first filter element.