Why Not Use Fiberglass HEPA Filters?

Data shows that glass fiber filters can shed more fibers than synthetic filters. While the number of particles shed by both types of filter is very small, Smart Air chooses to use synthetic fibers to lower the risk. Smart Air uses PP+PET material in all our HEPA filters.

Read more: What are HEPA filters and what materials are they made from? »

Read more: Do HEPA filters shed fibers and are they harmful to our health? »


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Smart Air is a social enterprise that creates simple, no-nonsense air purifier and provides free education to protect people’s health from the effects of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.