2 Pack Blue Pure 411i Max & 411a Max Filters, F4MAX Compatible for Blueair 411i Max & 411a, 3-in-1 True HEPA & Activated Carbon Replacement

【Compatibility & Functionality】Designed specifically for the Blueair Blue Pure 411i Max, 411a Max, and F4MAX Air Cleaners, this replacement filter seamlessly integrates to maintain optimal performance (models: B0BN2LH4RK, B0BN2HZX1C). Offering identical performance to the original, it ensures your air cleaner operates efficiently and effectively at its highest capacity, excluding compatibility with 411, 411+ and 411 Auto models.

【Premium Construction】Crafted from top-notch non-woven fabric, our 411i Max, 411a Max, and F4MAX filter combines premium HEPA and carbon materials for enhanced filtering capabilities (items: B08KPJQBQT, B08KPJ7SCC, B08KPHR6C2, B08KPH4PJF). Utilizing advanced technology, we've engineered a design that minimizes energy consumption, boasts low density, and maximizes efficiency while handling even the smallest particles like dust and pet dander.

【3-in-1 Stage Filtration System】Featuring a comprehensive 3-layer filtration system, our True HEPA Replacement Filter for 411i Max, 411a Max, and F4MAX efficiently eliminates fine particles and neutralizes odors. The pre-filter traps larger debris, hair, and pet fur, while the HEPA layer captures 99.97% of particles down to 0.3 microns, including dust and allergens. The activated carbon layer tackles household odors from pets, cooking, and smoking.

【Replacement Recommendations】This bundle includes 2 replacement filters, perfectly meeting your 411i Max, 411a Max, and F4MAX filter requirements. To keep your air cleaner in peak condition, we advise changing the HEPA filter every 4-6 months. However, actual filter lifespan may vary depending on factors such as surrounding air quality and environment.

【Ease of Installation】Installation couldn't be simpler – no tools are necessary. Simply remove the old filter and replace it with the new one when needed, ensuring a hassle-free maintenance process for your air cleaner.

product information: