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High capacity gas filter system with indicator

  • US 20070251391A1
  • Filed: 04/25/2007
  • Published: 11/01/2007
  • Est. Priority Date: 04/26/2006
  • Status: Active Grant
First Claim
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1. A high capacity gas filter system, comprising:

  • a filter, said filter further comprising;

    a metal filter housing having a cap end and an opposed end, said filter housing having a filter inlet and a filter outlet, said filter inlet and said filter outlet being in sequential flow communication via a large adsorbent bed portion, a smaller adsorbent bed portion, and a smaller transparent portion, said smaller transparent portion having an indicator portion which extends externally from and then back into said metal filter housing.

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