Rownenta NanoCaptur+ Filter. This filter permanently captures and destroys formaldehyde, the most harmful indoor pollutant and a human carcinogen according to the world health organization. Formaldehyde is an irritant gas that causes sensitization and is also known to triggers allergic asthma. The NanoCaptur+ Filter turns red if saturated, letting you know that its time to replace the filter.

Fits:

• Intense Pure Air XL