An adsorbent assembly is provided for removing gaseous contaminants from an enclosure having an adhesive layer, an adsorbent layer and a filtering layer. An exterior mounted assembly is also provided having an outer layer containing a metal or metallized material that provides an electromagnetic shield...http://www.google.de/patents/US5593482?utm_source=gb-gplus-sharePatent US5593482 - Adsorbent assembly for removing gaseous contaminants
