Flume sealed HEPA filter is not only an ideal terminal filter for industrial and biological clean room,but also is an ideal matching filter for other purification equipment.It is easy for installation，reliable sealing which is a commonly used seal way to HEPA filter in international.Flume sealed is a method superior to common used seal method by mechanical clamping device.Advantages:Reliable sealing and easy to be restored。Applications:be widely used in the installation of high demanded clean room,large area of vertical laminar，Class 100 laminar flow hood and so on.