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Exhaust Filter Module, and a Method and Apparatus for Efficiency Testing the Same

  • US 20060276120A1
  • Filed: 03/21/2006
  • Published: 12/07/2006
  • Est. Priority Date: 03/21/2005
  • Status: Active Grant
First Claim
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1. A filter module configured for exhaust application, comprising:

  • a housing having a filter aperture on a room side of the housing, an exhaust port on a ceiling side of the housing, and a downstream sampling port configured to allow a technician to sample flow downstream of the filter module and housing from the room side of the housing.

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