Mid-size Room Air PurifierOur mid size air purifier is suitable for mid size room purification of indoor spaces. With multi layer filtration, it ensures the air in the home maintains fresh and clean. With an HD touch screen, you can easily control and monitor the air quality in the room. Sleep mode ensures you have a restless night of sleep as the noise reduces to 32 dB. Rolling bearings on the motor unit extend the lifespan of this product while also minimizing noise levels.