Wood ones
While e-cigarettes typically have fewer chemicals than regular cigarettes, they may still contain heavy metals like lead, flavorings linked to lung disease, small particles that can be inhaled deep into the lungs, and cancer-causing chemicals
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Anti-Corrosion Methods Mater 63:245255 Maderuelo-Sanz R, Escobar VG, Meneses-Rodrguez JM (2018) Potential use of cigarette filters as sound porous absorber
TTX is now not written on the pack, but earlier they were like this: nicotine 0.8 mg, resin 10 mg, how much CO I dont remember
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