AFPRO HEPA HLH Series

The AFPRO HEPA HLH Series comprises particulate air filters (HEPA) from AFPRO Filters in the filter classes H13 and H14 according to EN 1822. The type HLH is not listed with technical data in the manufacturer's catalogue 2026; the information below is taken from our article data. According to the catalogue (p. 27), high-efficiency air filters are used in rooms with very high requirements for air quality, for example in cleanrooms, in the pharmaceutical industry, in operating theatres and in hospitals.

All HLH filters are available in several versions.

• According to EN 1822, group H (HEPA) includes the classes H13 and H14. Minimum efficiency (integral value at MPPS) according to catalogue p. 27: H13 at least 99.95%, H14 at least 99.995%.
• Installation notes from the manufacturer (catalogue p. 142): Do not touch the filter medium. Every filter must be validated after installation to check that it is seated correctly.

If you have any questions about the application or the installation dimension, please use the question form on this page.

Select the dimension, the filter class and the version. The dimension is given in mm (width x height x depth). The version corresponds to the first digits of the article number according to the article number scheme of the AFPRO HEPA filters (catalogue p. 79 and 89): type, digit 2 spacers (1 hot-melt, 2 aluminium), digit 3 gasket; followed by filter class, grid, height, width and frame depth. Codes that the scheme does not explain are given as a code; the catalogue does not explain suffixes such as HT or ES. If no grid is named in the version, the variant has a protective grid on one side. According to the scheme (p. 89), the last letter of the article number stands for the frame depth, for example E = 68 mm, G = 80 mm, I = 90 mm, Q = 110 mm, L = 150 mm; for special sizes, the dimensions are given directly in the article number.