Dust pollution, composed of larger particles, often gets trapped in the upper respiratory system. If dust particles are 10 micrometers or smaller, they can enter the respiratory tract, and below 2.5 micrometers, they can accumulate in the alveoli, leading to a series of diseases, potentially causing lung failure in severe cases. It's evident how much of a threat and impact dust pollution poses to human health. How to better and scientifically control dust pollution has become an important research topic and a major concern for the national economy and people's livelihood. It's urgent to address dust pollution! This product comes with a one-year warranty, offering reliable quality and good credit. Customers can use it with confidence. Shandong Xuanlan Environmental Protection Technology Co., Ltd. will provide you with excellent products and services.