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HEPA stands for High Efficiency Particulate Air filter. It filters very small particles out of the air, such as smoke and dust. Activated carbon filters certain organic vapors from the air such as VOCs, ammonia, and some kinds of fumes and odors. They work well together to create a clean air environment in different ways, but for allergies such as pet dander, pollen, and smoke, the HEPA is most likely to be of direct benefit to you.
Sorry, there was a problem. Please try again later.I believe the HEPA filter traps dust and pollen and dandruff and such whereas the carbon filter eliminates smells. This has both filters.
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