Product description A pass box, which is also called a transfer hatch or SAS pass (sterile access system), works asa barrier between areas with different levels of cleanliness when materials do have to be moved. The equipment is used to transfer material from an area of lower cleanliness to an area of higher cleanliness, and vice versa.
Pass box is one of the cleanroom systems, which is usedto transfer materials from one side to other side through controlled environment in order to avoid airborne cross contamination.
Pass boxes are available in 2 different types: static and Dynamic . The main difference is the ventilation and contamination filtering
Difference Between Dynamic and Static Pass Box
A dynamic pass box isa cubicle box which has got interlocked doors located on both sides. This protects the controlled environment from being polluted while the transfer of material is taking place inside.
Static pass boxes areused to transfer materials between two rooms of equal cleanliness levelsand are designed for minimal personnel movement while dynamic pass boxes are used to transfer materials from uncontrolled to controlled environments. Dynamic pass box works like an airlock or laminar air flow unit.