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Collapsible and/or assembled filter housing and filter used therewith

  • US 9,687,766 B2
  • Filed: 06/08/2015
  • Issued: 06/27/2017
  • Est. Priority Date: 05/27/2011
  • Status: Active Grant
First Claim
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1. A filter assembly, comprising:

  • a rectangular inlet frame having a rectangular inlet opening;

    a rectangular outlet frame;

    a housing body being collapsible to have a flattened shipping state and an erect state, the collapsible housing body in the erect state being rectangular and interposed between the rectangular inlet frame and the rectangular outlet frame in an assembled state;

    at least one filter having filter media installed in the rectangular inlet opening in generally sealing relation thereto and projecting from the inlet frame toward the outlet frame in the assembled state; and

    wherein the at least one filter includes an outer peripheral flange continuously seated against the seating surface.

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