Replacement filter for Levoit core 350 P350-RF, 3-In-1 H13 true HEPA filter, air purifier filter accessories Compatible for Levoit core P350 core replacement core, customized filter for pet family, core part number P350-RF. True HEPA filter, the filter captures and reduces up to 99.97% of 0.3 micrometer particles in the air, helps remove house dust, pet dander, hair, lint, etc. The new fine non-woven pre-filter is more effective than other ordinary pre-filters. Customized replacement filter for Pet, P350 RF core air purification filter core to maintain its peak performance. With cost-effective price to save a lot of cost for all year round air cleaning need. It is recommended to replace the filters every 6-8 months. P300-RF real HEPA filter technology, adopts H13 grade true HEPA filter, which meets the standard of high particulate matter (HEPA) efficiency. The deodorization capacity of the Core P350-RF has increased by 60% thanks to an air composition formula that chemically breaks down odors in the air without worrying about second-hand contaminants. Color: As Shown Material: Plastic Package Content: 1 x Filter Elements Only 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 error is +/- 1-3cm.