TaoTronics Air Purifier Filter, TaoTronics Air Purifier Replacement Filter, 3-in-1 True HEPA Filter Compatible with TaoTronics TT-AP001

What's in the Box: 1 x 3-in-1 True HEPA Replacement Filter (Model: TT-AP001) 1 x User Guide Features: * High-Efficient Filtration System: 3-stage air filtration system (pre-filter, activated carbon filter and true HEPA filter) effectively removes 99. 97% of airborne particles as small as 0. 3 microns * Compatible Air Purifier: 3-in-1 true HEPA replacement filter is designed to use with your TaoTronics TT-AP001 Air Purifier (sold separately) to extend the air purifier's life * Before Running: Filter is sealed to preserve shelf life, please remove the filter from the plastic bag before placing into the TaoTronics air purifier * Note: For optimal purification performance, we recommend replacing the filter at least once each 3 to 6 months, depending on the intensity of usage and the air quality of your room