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Positive Results & the Detection Window (1) Cotinine may stay in the system longer for heavy and regular smokers who have a slower metabolic rate or whose kidney does not clean the nicotine out at a steady rate

Control 8 (1), 75 (1999)

For their research, they need large quantities of cigarette filters

The 2-Way Box design opens like a traditional flip-top hard box or can be converted to a soft-pack style for convenience

Nicotine is an addictive Chemical. Must be 21+ to Purchase in California Made in the USA

However, it is important to remember that smoking, with or without filters and tips, is still associated with significant health risks