Compatible with Levoit Core P350 Replacement Filter core, customized filter for pet family, part number core P350-RF.True HEPA Filter,The filter captures and reduces up to 99.97% of 0.3-Micrometre particles in the air, helps remove household dust, pet dander, hairs, lint, etc.The new fine non-woven fabric pre-filter is more effective than other common pre-filters.CustomizedReplacement Filter for Pet ,Core P350 RF air purifier Filter core to maintain its peak performance. With cost-effective price to save much cost for your all year round air cleaning need. It is recommended to replace filters for every 6-8 months.True HEPA P300-RF Filter Technology,Adopt True HEPA Filter with H13 grade which meets the High-Efficiency Particulate Air (HEPA) standard. Core P350-RFs deodorizing ability has increased by 60% through the AirReComposition Formula,which chemically decomposes the unpleasant odors in the air without worrying about second-hand pollution.Colour:As shownMaterial:plasticPackage 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.