This article delves into the working principles of HEPA Filters, explaining the key steps involved in their air purification process. From air intake to particle capture, diffusion effect, and purified air output, we reveal how HEPA Filters efficiently remove micro-particles from the air. Additionally, we introduce Wujiang Deshengxin as a trusted partner in air purification, offering high-quality HEPA filters tailored to meet diverse needs. Regular replacement of HEPA filters ensures optimal filtration efficiency and performance.