Filter cartridge construction with carbon profile
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United States of America Patent
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Mar 2, 2010
Grant Date -
Feb 19, 2009
app pub date -
Aug 15, 2007
filing date -
Aug 15, 2007
priority date (Note) -
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Abstract
A filter cartridge including a filtering body having first and second porous filter walls. The second porous filter wall having a density that is different than the first porous filter wall. The density of the second porous filter wall being defined by interstitial spaces. The filter cartridge further including discrete chemically filtering particles that are captured within the interstitial spaces of the second porous filter wall when the filtering body is in a vertical filtering orientation.
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