Thanks to 10 years of research and 5 international patents, the NanoCaptur technology filter is the only one to permanently destroy Formaldehyde, the most harmful indoor pollutant and a human carcinogen according to the World Health Organization. Formaldehyde, an irritant gas that aggravates allergies and asthma symptoms , is present in 100% of houses and can be found in cleaning products, building and isolation materials, pressed wood materials or still scented candles. The Nano Captur yellow granules inside the filter turns red if saturated, meaning it's time to replace the filter. As more formaldehyde is destroyed, the granule turns brown.

• The exclusive Rowenta NanoCaptur technology destroys permanently Formaldehyde emitted by: cleaning products, pressed wood materials, building materials.
• Formaldehyde is considered as the most dangerous home pollutant and a human carcinogen according to the World Health Organization.
• The NanoCaptur yellow granules inside the filter turn red if saturated, meaning it is the time to replace the filter.
• Replace on an average once a year - always monitor color of the granules if brown need to replace the filter.
• Fits PU6020 XL Intense Pure Air purifier.