Compatible Replacement Filters: P500_F2 replacement filters are compatible with Colzer 142C, Mooka KJ203F, UNbeaten PETS-300, Hosome KJ210F, Elechomes KJ203F-142, Simpure HP9 air purifiers, and any HEPA air purifiers that use 14.6 x 11.8 x 1.3 inch filter size. 4-Stage Air Filtration: Includes a pre-filter, True HEPA 13 filter, activated carbon filter, and cold catalyst filter to ensure comprehensive air purification. Exceptional Air Purification: Our replacement filters capture pet dander, dust, and cooking odors, effectively purifying the air in large rooms. True HEPA 13 Filtration: Captures 99.98% of particles down to 0.1 microns in size, providing finer filtration compared to HEPA 11, which captures particles down to 0.3 microns. 4-in-1 Replacement Filters: Maintain optimal performance of your air purifier by replacing the filter every 6 months to keep your air cleaner working at full capacity.