【COMPATIBLE MODEL】The premium kf250 replacement filter is specfically compatible with Kenmore PM2010 Air Purifiers, Part Number # KF250. 【3-IN-1 FILTRATION】Our kf250 filter replacement with a 3-stage filtration system that includes a pre-filter, H13 hepa filter and activated carbon filter. The HEPA filter of the 3-in-1 filter attaches at least 99.97% of dust, pollen, and any airborne particles with a size of 0.3 microns (µm). 【HIGH PERFORMANCE】On average, more than 90% of modern life is spent indoors. These KF250 air purifier filter are capable of attaching 99.97% of airborne particles as small as 0.3 microns, providing better purification than traditional HEPA. The carbon filter helps you solve the problem of unpleasant odors. 【COST-EFFECTIVE 】Package includes 4 Packs x kf250 Hepa Filter. It is recommended to replace filter every 3-6 months for optimal performance (depending upon your usage and environment). Using your air purifier in your live environment with relatively high pollution may mean you will need to replace the filter more often. 【AFTER-SALES SERVICE】isinlive is committed to offer the top quality products, if you have any quality problem with the filter, please contact isinlive after-sale team in time and we will try our best to satisfied you. Filter made of FSC-Certified paper KF250 1200e Series Air Purifier Replacement HEPA Filter Compatible with Kenmore PM2010 Air Purifier, 3-in-1 HEPA Filter, 4-Pack