Pinto E, Cruz M, Ramos P, Santos A, Almeida A (2017) Metals transfer from tobacco to cigarette smoke: evidences in smokers lung tissue
Budget-conscious smokers are no longer willing to compromise on quality for the sake of affordability

Airpura Difference Unique Features that make Airpura Different than Many Air Purifying Companies All Metal Housing - No plastic vapors are emitted Motor out of the air flow - Many air purifiers blow the clean air over the motor and pick up impurities Electrical parts in a sealed chamber away from the airflow - Increases safety and prevents off-gassing 560 CFM integrated fan/motor - Largest CFM available in a portable unit Variable speed control - Offers you flexibility Proper contact times for effective filtration - Correctly calibrated air flow / bed depth for efficient adsorption Pressure sealed filter chamber - Unique pressure seal on the filter chamber ensures all contaminants are filtered and cannot escape Warranty on Residential Units: 5 yrs parts and 10 years labor Warranty on Industrial/Commercial Units: 2 yrs parts and 5 years labor Made In: Canada Felt gasket seal the filter chamber - Maximize filtration with no rubber off-gassing Clean modern appearance - Fits in any decor Low noise level - 28.1 db on low at 6 ft and 62.3 on high Superior Dwell Time: The 560 CFM impeller/motor combined with the variable speed control and unimpeded airflow of the Airpura 600 series allows the airflow to be set precisely and achieve maximum results

It consists of a specific component and an ad valorem component, resulting in a minimum overall excise duty of 1.80 (US $2.02) per 20-cigarette pack and 60 percent of an EU countrys weighted average retail selling price (certain exceptions apply)
More ways to charge with plug-n-play accessory changes
It can also temporarily increase blood pressure and heart rate (much like caffeine), which poses a more serious risk for those with serious heart conditions