Compared to a Static Pass Box, it has larger external dimensions for the same internal size and a higher manufacturing cost. Dynamic pass boxes are divided into two subtypes: Laminar Flow Pass Box, which provides vertical laminar airflow in a top-supply

The Cleanroom Aluminum Pass Box is a material transfer device installed between clean and non-clean areas, or between zones of different cleanliness levels.

The Static Pass Box, also known as Static Transfer Window, is a material transfer device installed between clean and non-clean areas or between zones of different cleanliness levels.

The VHP Pass Box (Vaporized Hydrogen Peroxide Sterile Pass Box) is a sealed transfer device designed for biological decontamination of material surfaces.