Compatibility and fit - The premium Core 300 Replacement Filter is designed to be compatible with Levoit Core 300, Core 300-P, Core 300S, and Core 300S-P Vortex Air purifiers. Part number Core 300-RF. Note: This is not an OEM product. The use of the Levoit brand name and model designation is solely for demonstration of compatibility. Filtration system and benefits - 3-stage filtration system: Ultra-fine Nylon Pre-Filter, H13 Grade True HEPA Filter, and Activated Carbon Filter with ARC Formula. - Captures 99.97% of airborne substances as small as 0.03 microns to improve indoor air quality. - Suitable for homes with pets and smokers, and open plan kitchens, helping to reduce common indoor pollutants and odors. Core 300-P enhancement - Core 300-P replacement filter works with Levoit purifiers to ease symptoms caused by problematic air. - H13 true HEPA filter works with the pre-filter and high-efficiency activated carbon filter. - 60% more activated carbon and ARC Formula help remove 99.97% of 0.03 micron particles and decompose unpleasant odors and wildfire gases. Core 300S design and technology - Core 300S replacement filter is made of non-woven fabric and activated carbon with advanced low energy consumption and lower density structure technology. - Lower wind resistance, higher efficiency, and reduced pressure support maximum filtration. - Upgraded electrostatic electret filter technology used in the HEPA layer enhances energy saving and extends filter life. What’s included and installation guidance - Package includes 2 x Core 300 Replacement Filters. - The Core 300-RF filter replacement contains all required parts to complete the standard installation for Levoit Core 300-P and Core 300S-P air purifiers. - Replacement is recommended every 6–8 months, depending on environment and usage. - Easy to replace and disposable; no tools required. Simply remove the old filter and insert the new one into your air purifier. Variations for different needs - Choose from a range of Core 300 replacement filters to suit your needs and protect your family and pets. - White basic filter for daily multi-purpose coverage. - Yellow pet care filter ideal for homes with pets. - Green Xin absorber filter targets unpleasant odors associated with smog. - Blue smoke remover filter designed for wildfire gases. - There is a suitable option for every household.