Washable Pre-Filter: Easily remove and wash the pre-filter to extend the life of your filter.True HEPA Filter: Breathe in pure air thats free of 99. 97% of pollutants as small as 0. 3 Micrometre such as dust mites, pet dander, and pollen.Advanced Activated Carbon Filter: Enjoy a reduction in household odors such as cooking smells, pet odors, and cigarette smoke.Maintenance Tip: Keep your air fresh and clean by replacing your filter every 6-8 months. Using an old filter lowers your air purifiers efficiency.Type:Air purifier filterModel:compatible with Levoit Vital 100 100RFFeatures: environmental protectioncolour:As shownMaterial:Antibacterial clothsize: 30 x 29cmPackage Contents:1 x Filter elementsOnly 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.