Core 300 Replacement Filter for LEVOIT Core 300, Core 300-P, Core 300S Vortex Air Air Purifier, 3-in-1 H13 Grade True HEPA Filter Replacement 2 Pack, Compare to Part No. Core 300-RF (White)Brand: Colorfullife Color: Basic Filter Features: Work Great As Name Brand Filter Multiple tests in our factory have proven that Colorfullife core 300 replacement filters are fully compatible with LEVOIT Core 300, Core 300 P and Core 300S Air Purifier. Compatible withLEVOIT Core 300 P Air Purifier Replacement Filter, Compared to Part # Core 300 RF. 3 in 1 Filtration For levoit core 300 replacement filter, Colorfullife combine Nylon Preliminary Filter