Made of high quality material, more durable.Delicate and exquisite, highly match the equipment.DEEP HYPERFINE PUNIFICATION OF AIR: A Higher Grade H13 True HEPA material, the barrel 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 various 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 for your family.As part of routine maintenance, accessories are easy to disassemble and replace.Colour:blackMaterial:plasticPackage Contents:4 x filterOnly the above package content, other products are not included.Note: Light shooting 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.