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Old 02 September 2010, 02:04 PM
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WonkoTheSane WonkoTheSane is offline
 
Join Date: 17 July 2003
Location: N. Attleboro, MA
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Quote:
In the same year, 1970, Parliament cigarettes of Philip Morris, Inc (80, 85, and 100 mm length) were tested. The Parliament cigarette was unique in that it had a 5 mm recessed charcoal filter.6, 7, 22 The novel filter was designed to prevent the tongue from touching the filter face.6, 22
http://tobaccocontrol.bmj.com/conten...ppl_1/i51.full

That explanation makes sense to me.

Wonko
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