Which Clas have Performance test minimum value, and Usage semi hepas, and Performance 99.5%?
Usage Class Performance Performance test Particulate size approaching 100% retention Test Standard
Air filter
1680877
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2-1680877-1
Filter classes
Filter classes
Primary filters G1 65% Average value >5µm BS EN779
Primary filters G2 65–80% Average value >5µm BS EN779
Primary filters G3 80–90% Average value >5µm BS EN779
Primary filters G4 90%– Average value >5µm BS EN779
Secondary filters F5 40–60% Average value >5µm BS EN779
Secondary filters F6 60–80% Average value >2µm BS EN779
Secondary filters F7 80–90% Average value >2µm BS EN779
Secondary filters F8 90–95% Average value >1µm BS EN779
Secondary filters F9 95%– Average value >1µm BS EN779
Semi Hepa H10 85% Minimum value >1µm BS EN1822
Semi Hepa H11 95% Minimum value >0.5µm BS EN1822
Semi Hepa H12 99.5% Minimum value >0.5µm BS EN1822
Hepa H13 99.95% Minimum value >0.3µm BS EN1822
Hepa H14 99.995% Minimum value >0.3µm BS EN1822
SELECT Class FROM table WHERE Performance test = minimum value AND Usage = semi hepa AND Performance = 99.5%
minimum value semi hepa 99.5%