The 4 pack 411i Max High Quality Replacement Filters by Xbww is designed for Blue Pure 411i Max and 411a air purifiers. These Blueair Blue Pure 411i Max Filters have a filter life of 6 months and use activated carbon filtration technology for efficient air purification. The white filters are made of carbon filter media and are suitable for indoor air quality improvement. Made in China, these replacement filters are essential for maintaining a clean and fresh environment in your home or office.
