Replacement Filter for Blue Pure 3350i Scientifically Proven PerformanceThe effectiveness of

Scientifically Proven PerformanceThe effectiveness of OurAir purifiers has been validated by the Karlsruhe Institute of Technology (KIT)

Aquaporin Inside® DWRO™ Membrane Capacity: 7200 liters or an expected lifespan of 24 monthsWhen replacing the membrane

Particle & Carbon

Blueair’s proprietary RealTrack algorithm accurately calculates the remaining filter lifetime based on fan speed

5-stage filtration system for maximum cleaning performance

Replacement Filter for Blue Pure 3350i Scientifically Proven PerformanceThe effectiveness ofThis filter is only compatible with the Blue Pure 3350i (311i) Max Air Purifier. Find the Blueair model name on the label inside your air purifier. Designed for easy replacements, ensuring hassle free maintenance for continuous clean air Crafted with durable materials for a long lasting filter Effectively captures allergens like dust, pollen, and pet dander Particle & Carbon Our original filter. Removes allergens and traps light household odors from