HP100 Filter Replacement for Shark HP102 & HC452 Air Purifier, H13 Grade True HEPA for 99.97% of Particles, Replace Part #HE1FKPET, HE1FKBAS,Pack of 2

[The Filter Compatible with] Shark Air Purifier with True HEPA - HP100&HP102 & HP102WK 【Three-layer Filtration + True HEPA】 Multi-layer composite filtration design: composite electrostatic adsorption pre-filter layer + activated carbon cloth filter layer + True HEPA filter layer. Breathe fresher. [Compare to Part] Shark # HE1FKBASMB & HE1FKBAS. [EASY TO REPLACE] Replace the filter every 6 to 12 months (replacement cycle may be shorter or longer depending on frequency of use and usage environment).