Ensure fresh, clean air with our high-performance Core P350 Replacement Filters! **Perfect Compatibility:** These Core P350 replacement filters are specifically designed for LEVOIT Core P350 pet air purifiers, compatible with part number Core P350-RF. **Superior 3-in-1 Filtration:** Experience excellent air purification with our 3-in-1 filter system, featuring an H13 True HEPA filter, activated carbon filter, and pre-filter. Achieves an impressive 99.97% filtration efficiency. **Convenient 2-Pack:** Each package includes 2 Core P350 air purifier HEPA filter replacements for LEVOIT, ensuring you have a spare on hand. **Premium Quality Materials:** Crafted from high-quality non-woven fabric and activated carbon, these filters offer low density and high efficiency, maximizing filtration performance while extending the lifespan of your air purifier. **Effortless Replacement:** Replacing your filter is simple – just remove the old one and insert the new, no tools required. For optimal performance, it's recommended to change the filter every 6-8 months, depending on usage.