Protect Your Investment: Search for Core300 replacement filter to what you're buying is worthy of your investmentCore 300 Replacement Filter: Exclusively designed for Core 300 purifier to maintain its performance. With cost-effective price to save much cost for your all year round cleaning need. It is recommended to replace filters for every 6-8 monthsTrue HEPA Technology: Adopt True HEPA Filter with H13 grade which meets the High-Efficiency Particulate (HEPA) standard. It filters the fine airborne particles such as pet dander, , and pollen, effectively helping improve allergiesTrap Particle: Pre-Filter captures particles such as dust, lint, fibers, hair, and pet fur, also helpful to maximize the filter's lifeTrap Household Odors: High-grade granular activated carbon filter physically absorbs unwanted odors and fume, such as smoke, cooking smells and pet odors, as well as filtering volatile organic compounds (VOCs), perfect for households with pets, cooking and smokerscolour: whiteMaterial: plasticsize: 19.2cm in diameter, 15cm in heightPackage Contents: 1 * filter elementsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.