- Advanced Activated Carbon Air Filter: Designed with a unique pore structure, this filter offers a large specific surface area and exceptional adsorption capacity, effectively eliminating household odors from chemicals and volatile organic compounds (VOCs). - Superior Performance: Enjoy excellent noise insulation and craftsmanship, along with a higher capacity and extended filter life. This replacement filter maintains the same clean air delivery rate (CADR) as the original, ensuring optimal performance for your blue pure 411 air purifier. - True H13 HEPA Filter: Captures 99.97% of particles as small as 0.1 microns, including pet hair and allergens, ensuring a cleaner and healthier living environment. - Easy Maintenance: To sustain the superior performance of your blue pure 411 air purifier, blue pure 411+ air purifier, or mini air purifier, we recommend replacing the filter approximately every 6 months with continuous use. - Practical Applications: Ideal for households with pets, individuals with allergies, or anyone looking to improve indoor air quality. This filter is perfect for living rooms, bedrooms, or office spaces where air purity is essential. - Compatibility: Specifically designed for use with the blue pure 411, blue pure 411+, and mini air purifiers, ensuring a perfect fit and seamless operation. This high-quality replacement filter is a crucial investment for anyone seeking to enhance their indoor air quality and maintain a fresh, odor-free environment.