Core P350 Filter Applicable Models: Core P350 replacement filter is compatible with LEVOIT Core P350 pet air purifier, part number Core P350-RF. Core P350 Pet Filter Excellent Performance: 3 in 1 H13 true HEPA filter, activated carbon filter, and pre-filter with filtration efficiency of 99.97%. Core P350-RF Parts Included: Core P350 Pet Air Purifier Replacement Filters include 2 packs of HEPA filter replacements for LEVOIT. High-quality fabric: The Core P350 filter is made of high-quality non-woven fabric and activated carbon, featuring low density and high efficiency to maximize filtration performance and extend filter life. EASY REPLACEMENT: Simply remove the original air purifier filter and insert the new filter; no tools required. (It is recommended to replace the filter every 6-8 months depending on usage.) True HEPA Replacement Filters Compatible with Levoit Core 300, Core 300s, and Core P350 Air Purifier High Efficiency Carbon Filter Effectively absorbs and chemically decomposes pet allergens and odors