AirPura 2-inch deep Super HEPA Filter with Titanium dioxide coating is original OEM AirPura filter.
AirPura 2-inch deep Super HEPA filter with Titanium Dioxide coating fits AirPura P614 Plus portable air purifier.
The Titanium dioxide (TiO2) coating plays an important role in Photocatalytic Oxidation process.
The internal surface of Super HEPA filter is sprayed with Titanium dioxide (TiO2) coating.
This renders three times the Photocatalytic capacity and gives a significant boost to the Photocatalytic oxidation process.  
AirPura 2-inch deep Super HEPA filter features top and bottom metal caps.
The metal caps eliminate toxic off-gassing and improve the filter rigidity to ensure higher filtration efficiency.
AirPura 2-inch deep Super HEPA contains 40 sq. ft. of certified Super HEPA filter media.
The AirPura Super HEPA guaranteed filtration efficiency is over 99.99% for all airborne contaminants down to 0.3 micron in size.
The AirPura Super HEPA filter's lifetime: 2 to 5 years (under normal residential conditions).