Blueair Signature Blue 4.0 Replacement Filter Large, HEPA Filter Particle + Carbon + OdorFence, Genuine Replacement for Blue 4.0 Series, Removes 99.97% of Airborne Particles, 6-12 months usage E500 9" (2018/2020) GraphicPaper - Screen

9" (2018/2020) GraphicPaper - Screen Protection Best for Drawing/Sketching/Designing/Illustration

5W of wireless charging power to your device without cables or a need to connect to a power source

the two built-in HD microphone is capable of capturing your voice and removing the ambient noise intelligently

"font-family-primary font-size-3 font-weight-4 margin-top-2 padding-bottom-4 border-bottom border-off-white">Dual USB-C Power Delivery charging ports

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Blueair Signature Blue 4.0 Replacement Filter Large, HEPA Filter Particle + Carbon + OdorFence, Genuine Replacement for Blue 4.0 Series, Removes 99.97% of Airborne Particles, 6-12 months usage E500 9" (2018/2020) GraphicPaper - ScreenThe Blue 4. 0 Signature Replacement Filter is our most advanced HEPA filtration system yet. Powered by OdorFence molecular neutralization technology, it outperforms traditional carbon filters in eliminating stubborn odors. Combining HEPASilent technology with OdorFence, this filter features a 7 stage purification process integrated into three high performance layers: a fabric pre filter, a multi layer filter media, and an enhanced carbon filter. What