Features: 1. 1-MICRON LEVEL DUST FILTRATION: This air purifier filter effectively captures microscopic dust particles, helping prevent secondary pollution and maintaining clean indoor air. 2. EFFICIENT ADSORPTION: The filter efficiently absorbs and reduces odors and certain airborne contaminants, contributing to a more comfortable indoor environment. 3. COTTON FIBERS AND ACTIVATED CARBON: Constructed with cotton fibers and activated carbon, the filter is durable and designed for sustained performance. 4. PARTICLE AND GAS REDUCTION: This filter helps reduce common airborne particles—including smoke, pollen, dust mites, and pet dander—as well as certain gaseous pollutants. 5. EASY REPLACEMENT: Designed for simple, tool-free replacement to support consistent air purifier performance. Specification: Item Type: Air Purifier Filter Compatible Models: LEVOIT Core 300, Core 300S Filter Type: HEPA-style Weight: Approx. 482 g Package List: 1 x Air Purifier Filter