High-efficiency return air box, also known as high-efficiency exhaust air box, is a high-efficiency filtering device for the exhaust section of clean rooms. It is mainly used in pharmaceutical, food, biological laboratories, hospitals and other fields. It consists of a box, a high-efficiency filter, a return/exhaust panel, etc.
High-efficiency return air box is an exhaust device for negative pressure clean rooms. It is used for return air filtration in negative pressure workshops to isolate toxic, harmful, carcinogenic, radioactive and biologically hazardous dust and gas to prevent indoor harmful substances from being discharged into the return air exhaust system. It is mainly used in pharmaceutical, food, biological laboratories, hospitals and other fields.
The polluted gas generated by production activities in the clean room is called a high-efficiency return air outlet when the purified gas is connected to the return air duct, and is called a high-efficiency exhaust when it is c