8″deluxe aluminum alloy portable car office air purifier. With fan design and powerful motors, it achieves the best effect of purification. Airflow is controlled by Improved dust way design. Steady and stable in pollutant absorbing. It is equipped with the latest coconut shell filter, which contains silver filter, HEPA folder filter and charcoal filter. Aluminum alloy case makes the purifier extremely strong and durable. Working modes include slow, gentle and strong mode. Air volume: 35cubic meters /h, 30dB-60dB sound level, Built-in battery, USB micro port cable.