Use only lv-h132 replacement filters to keep your air purifier at its best working condition and capacityFine preliminary, true heap filter and activated carbon filter. It removes 99. 97Percent of dust, pollen, smoke, odor, mold spores, and pet danderPerfect for those who are sensitive to the surrounding air quality. It will not release hazardous substances or ozoneFilters are sealed to protect their lifetime. It is recommended to replace air filters every 6 months. Remove filters from plastic packaging before placing them into air purifierColour Black + whiteMaterial plasticDiameter 18cmPackage Contents 4 x filter elements4 x Fine netOnly 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.