Yes, provided they are ECAS-certified and contain no more than 20 mg/mL of nicotine
Leukocyte number, protein inhibitor, and complement in smokers
A systematic review and meta-analysis revealed that substantial smoking reduction may decrease the risk of lung cancer 6
Whereas most of the included studies were varied in quality from low to high, most studies had small sample size and only two had large sample size, participants were predominantly male, used different comparison groups, done at different settings, most of the studies were done in the USA, and some of the studies did not report the related findings of NRT effect
+ Pros: Excellent for large rooms with strong smoke removal capacity Comprehensive multi-stage filtration including True HEPA and activated carbon Smart air-quality sensors and automatic adjustment modes Quiet operation ideal for bedrooms or living areas Multiple fan speeds and intuitive control interface - Cons: Bigger and more expensive than basic models Larger footprint may not fit very small spaces 2