Choose the filter for your need and purpose.
Below is a description of Particle Filter and SmokeStop™ Filter. Hopefully it will guide you to your choice of filter.
PARTICLE FILTERS
This filter removes dust, pollen, bacteria, pet dander, mold spores and other airborne particles. The particle filter is made of polypropylene, which mechanically filter out airborne particles. The filter has maximum airflow and achieves maximum filter efficiency in the shortest amount of time.
SMOKESTOP™ FILTERS
Made of enhanced active carbon, the SmokeStop™ Filter removes not only airborne particles but also gaseous pollutants such as cigarette and cigar smoke or other VOCs (volatile organic compounds) including household paints and other chemicals.
You may notice a slight odor from the enhanced active carbon when the filter is first used, but this will quickly dissipate.
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