Core P350 Filter Applicable Models: The Core P350 replacement filter is compatible with the LEVOIT Core P350 pet air purifier, item number Core P350-RF. Excellent Performance: 3-in-1 H13 True HEPA filter, activated carbon filter, and pre-filter; captures 99.97% of airborne particles such as dust, pollen, and pet dander. Package Includes: 2-pack of HEPA filter replacements for LEVOIT air purifiers. High-Quality Materials: Constructed with non-woven fabric and activated carbon; low airflow resistance and high efficiency help extend filter life. Easy Replacement: Simple installation – remove the old filter and insert the new one without tools. Recommended replacement every 6–8 months depending on usage. True HEPA Replacement Filter Compatible with Levoit Core 300, Core 300s, and Core P350 Air Purifiers High-Efficiency Carbon Layer Helps capture pet allergens and household odors