What type of filters would be most suitable for capturing smoke and VOCs?

Study for the NAFA Certified Air Filter Specialist Test with flashcards and multiple choice questions. Each question includes hints and explanations to prepare you thoroughly for the exam!

Activated carbon filters are specifically designed to capture volatile organic compounds (VOCs) and smoke effectively. This is due to the unique properties of activated carbon, which has a large surface area and a porous structure that allows it to adsorb gas molecules. When air containing these pollutants passes through the filter, the VOCs and smoke particulates adhere to the surface of the activated carbon, thereby removing them from the air. This makes activated carbon filters highly effective for applications where odor control and the removal of gaseous pollutants are essential.

In contrast, HEPA filters are primarily designed to trap particulate matter, such as dust, pollen, and other allergens, but they do not have the capability to adsorb gases or odors like activated carbon does. Panel filters typically operate on a similar principle to HEPA filters but are not as efficient in capturing fine particulates or gases. Fiberglass filters are made of woven strands and primarily serve to protect HVAC systems by capturing larger particles but are ineffective in controlling VOCs and smoke. Therefore, for applications focused on the removal of smoke and harmful gaseous compounds, activated carbon filters are the best choice.

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