This image is a derivative work of the following images: File:HEPA_Filter_diagram_en.svg licensed with PD-user 2008-09-01T08:06:29Z LadyofHats 607x544...
This image is a derivative work of the following images: File:HEPA_Filter_diagram_en.svg licensed with PD-user 2008-09-01T08:06:29Z LadyofHats 607x544...
DescriptionHEPA Filter diagram ru.svg English: Translation of English original illustration of HEPA filter design Русский: Перевод английской иллюстрации...
