This article provides a comprehensive understanding of pass-through boxes, also known as interlocking transfer hatches or cleanroom pass-through chambers. It highlights their core feature—the interlocking design—which ensures secure material transfer between differing environments while minimizing contamination. The article explores key features such as interlocking doors, HEPA filtration, material compatibility, and customizable sizes. It also showcases the wide range of applications of pass-through boxes across industries, including pharmaceutical, semiconductor manufacturing, biotechnology, and food processing. Lastly, it emphasizes the expertise and quality of Wujiang Deshengxin Purification in providing tailored pass-through box solutions for various industries.