AirPura 2-inch Super HEPA Filter with Titanium dioxide coating is an original OEM AirPura replacement filter for AirPura P614 Plus, P714 Plus.
The internal surface of Super HEPA filter is sprayed with Titanium Dioxide (TiO2) coating.
The Titanium dioxide coating (TiO2) renders three times the Photocatalytic Oxidation capacity of AirPura P600, P700 models and gives a significant boost to the Photocatalytic Oxidation process.  
AirPura 2-inch 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.
The 2-inch Super HEPA filter contains 40 sq. ft. of certified Super HEPA filter media.
The guaranteed filtration efficiency is over 99.99% for all microscopic airborne contaminants down to 0.3 micron in size.
Super HEPA filter's lifetime: 2 to 5 years (under normal residential conditions).