e cigarettes and vapor products FAU E-cigarette, or Vaping Product, Use
Description
But in general, if you use weed just one time, tests might detect THC for up to 72 hours (three days) afterward
Company Profile: Key players 11.1

A hinged compartment opens to reveal space for up to 5 cigarettes

However, the prevalence of macroscopic emphysema among cannabis-only smokers was relatively low (1.3%) compared with significantly higher rates observed in combined cannabis and tobacco users (18.9%) and tobacco-only smokers (16.3%) (9)