HEPA filter definition:
HEPA filter means High Efficiency Particulate Air filter for short, that must trap and prevent 99.7% particulates of 0.3 mocrons. So HEPA filter refers to air filter in a high standard.
HEPA Filter Applications in industries:
HEPA filters are widely used in varieties of industries. For examples, your air purifier at home uses it inside, and you should replace the HEPA filters at intervals to ensure your air environment clean enough. In 2020,to protect ourselves from Covid-2019,we uses masks. And producing masks also need HEPA filters inside.
However, HEPA filters are mostly used in HVAC systems. Any industries need central air conditioning(CAC) systems all need them, such as buildings, senior hotels and so on.
Another important use of HEPA filters are in clean rooms. As well, Any industries need clean rooms need them,not only for previous constructing,but also for replacement afterwards.