For H132 air purifier replacement filter: Compatible only with H132 air purifier models to maintain optimal performance. Note: Remove the plastic packaging from the filter before installation. Failure to do so may impair device function. 3-Stage Filtration system includes pre-filter, true HEPA filter, and activated carbon filter. Captures 99.97% of airborne particles such as dust, pollen, smoke, odors, pet dander, and particles down to 0.3 microns in size. Helps reduce indoor air pollutants including PM 2.5. Ideal for individuals sensitive to air quality. Filters are sealed to help prevent bypass and extend service life. Recommended filter replacement every 6 months for best results. Product color: Black + White. Material: Plastic. Dimensions: Approximately 192 x 183 x 63mm. Package includes: 1 x Air Purifier Filter. Other items not included. Note: Colors may vary slightly due to monitor display settings. Measurement tolerance: +/- 1-3cm.