This 2-Pack Core 300 Replacement Filter is compatible with the Levoit Core 300 and Core 300S Air Purifier, providing clean and fresh air for your home. Made with high-quality materials such as PP, PET, and activated carbon, this filter effectively captures airborne particles and allergens. With a minimum efficiency reporting value of 13.0, this filter ensures a healthier indoor environment for you and your family. Future Way brand ensures reliability and durability, making it a convenient and efficient choice for maintaining good air quality in your living space.