Made of high quality material, more . Delicate and exquisite, highly match the equipment. DEEP HYPERFINE PUNIFICATION OF AIR: A Higher Grade H13 True HEPA material, the type 360° filtration & intercepts the suspended solids in the air, effectively filter 0.3 micrometre and above particles and tiny dust, such as dust, pollen, dander, common pollutants of air and so on. The purification rate is more than 99.97%. EFFICIENT ODOR REMOVAL: Activated Carbon Filter can filtering unfavorable odors and fume, including volatile organic compounds (VOCs)., tobacco smoke, cooking smell, as well as filtering pet odors to significantly reduce household odors, creating fresh and pure air . EASY INSTALLATION: To maintain for optimal performance of your air purifier, recommended to replace the filter every 10-12 months. Easy to install without any other tools. Colour: black Material: composite material Package Contents: 2 * Filter elements Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.