HEPA box is a terminal filtration device with side and vertical configured air supply. It consists of a static pressure box, HEPA filter and diffused hole plate. A range of finishes are available, including cold rolled steel, stainless steel 201 / 304, and powder coated steel for user choice.
It is installed at the same level of the ceiling where a HEPA filter is fixed inside the box to produce the required cleanliness in its specified classification. It creates turbulent flow to ensure a good mixture of dust-free air in the enviroment.