Nispira - 311i Max Replacement Filter for Blueair Blue Pure 311i Max Air Purifier, True HEPA & Activated Carbon, Compatibl

Nispira replacement filter is designed to support a cleaner and more comfortable indoor environment by addressing both gaseous substances and common airborne particles found in everyday household settings. The integrated activated carbon layer is intended to help reduce smoke, pet related odors, cooking smells, and other household odors, contributing to fresher indoor air during regular use. Manufactured with advanced polypropylene filtration media, the filter is engineered to enhance overall air clarity while capturing a wide range of airborne particles commonly present in residential spaces. This filter features a 360 degree air intake structure and an expanded filtration surface that is larger than many standard replacement filters, designed to promote balanced airflow and consistent performance throughout daily operation. Under typical home conditions, the Nispira replacement filter is designed to provide effective use for approximately six months to one year, depending on air quality conditions and fan usage. For optimal performance, replacement every six months is recommended. This package includes one replacement filter with approximate dimensions of 13.4 by 11 by 11 inches. Nispira filters are designed to meet or exceed the quality standards of leading national brands.