Labpeak Pass Box (also known as Transfer Hatch) is a cleanroom auxiliary equipment designed to enable the safe transfer of materials, samples and objects between clean areas of different cleanliness levels, or between clean and non-clean environments, without compromising the integrity of the controlled environment. It features a fully enclosed stainless steel construction, double doors with mechanical or electronic interlock system (preventing both doors from being opened simultaneously), and optional HEPA filtration, UV sterilization and air shower functions. The pass box is available in various sizes and configurations, suitable for pharmaceutical, electronics, food and medical device cleanroom applications.