411i/411a Max Replacement Filter for Blueair 411i/411a Max Air Purifier

Perfect Compatibility: Blue Pure 411i Max Replacement Filter Perfectly Fit for / smart machine. : /+, & | High-Efficiency Particle Filtration: Blue Pure 411a Max Replacement Filter for Blue Pure 411i/411a Max, featuring high-efficiency activated carbon, particle filter and fine pre-filter, really efficient for air purification( as small as 0.3 microns), safeguarding you from household odors, smoke, pet dander, dust, lint etc | Valuable Package: Includes 2 filters compatible with Blue Pure F4MAX. 100% brand-new and high-efficiency. All necessaries are provided to finish the standard installation smoothly without any tools | Optimal Performance Maintenance: For ongoing top performance of your Blue Pure 411i/411a Max, we recommend replacing the filter every 6-9 months subject to your usage frequency | Exceptional Customer Service: Should you have any inquiries about the Blue Pure 411i/411a Max Replacement Filter, feel free to contact us anytime. We strive to deliver high-quality products accompanied by top-notch customer service