When building a DIY air cleaner, it is recommended to use only NEWER box fans (since 2012), which have the added safety features of fused plugs and thermal cutoffs
Specifically, three companies have received warning letters from the FDA regarding false advertisements that claim their tobacco products were additive-free and natural. The FDAs job is to ensure tobacco products are not marketed in a way that leads consumers to believe cigarettes with descriptors like 'additive-free' and 'natural' pose fewer health risks than other cigarettes, unless the claims have been scientifically supported, Mitch Zeller, J.D., director of the FDAs Center for Tobacco Products, said in a press release
After three years of testing air purifiers, I can tell you this approach makes more sense than most manufacturers want to admit
Daily use for 2-3 weeks attacks years of accumulated discoloration
The smoke of the cigarette is definitely lighter, more transparent