Filter for swimming pools and the like

A fluid filter comprising:

• a. a housing having fluid inlet and outlet means;
• b. a primary filter defined by an elongated side wall having an open, upper end and a transversely oriented base wall at the opposite end thereof, said primary filter being positioned within said housing;
• c. a secondary filter positioned intermediate the outside surface of said primary filter and the inside surface of said housing, said secondary filter having an open upper end and a transversely oriented base wall;
• d. outlet means for conducting fluid from the interior of said primary filter and said secondary filter comprising adjacent openings located in the base wall of each of said filters, valve means constructed and arranged to close said openings said valve including a displaceable flap hingedly secured to the interior surface of the base wall of said primary filter in sealing relationship to the openings in the base wall of each of said filters, extension means connected to said flap whereby said valve means may be opened and closed from a remote position adjacent the upper end of said primary filter:
• e. a base member for supporting said housing said base member adapted to be positioned on a supporting surface;
• and
• f. conduit means extending through said base member, said conduit being in fluid communication with said adjacent openings in the base wall of each of said filters for discharging solid matter from the interiors thereof when said valve means is opened.