EPA Filters The Hepa semi-absolute filters are used in ventilation systems such as: Air Treatment units where semi-absolute terminal filtration is required. As a pre-filter to the absolute filters in Clean Rooms, Operating Theatres and Laboratories. Industrial Processes (Microelectronics Industry, Optics, Food Industry, Fine Chemistry, etc.) Microven (Galvanized). Microven (MDF).

Types of Absolute EPA filters