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This is because smoke particles (like from cigarettes) tend to be between 0.1 and 1.0 microns in size, but a True HEPA filter can remove 99.97% of particles up to 0.3 microns in size

Rabat Researchers at University College London (ULC) have found that a single cigarette takes on average around 20 minutes off a persons life, 17 for men and 22 for women

A carton provides a stable and predictable source for most smokers

Large Carbon is necessary for gas and odors You will want to look at HEPA-grade filters to deal with tiny particles that can measure as small as 0.1 microns

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