Polypropylene filter

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This article is part of the Tobacco portal on Sourcewatch funded from 2006 - 2009 by the American Legacy Foundation.

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Polypropylene filters are made of the same plastic material used for food packaging. Cigarette companies use this material because it does not affect smoke flavor and because it "provides a firm mouthpiece." [1]


  1. R.J. Reynolds Polypropylene filter Draft report. March 25, 1988. Bates No. 506417491/7492

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