Hepa filters
Bactericidal filters are intended for the premises which have to meet requirements in terms of highly pure air, for instance, in operating-theatres, pharmaceutical plants, laboratories, food industries premises, etc. The standard sizes of the filters are 69 mm, 78 mm, 150 mm, 292 mm deep.
Filters are tested in accordance with U.S. Food and Drug Administration norms: FDA 175.105.
The filters consist of wood chip frame and HEPA filter material made of glass fibre and pressed by special methods.