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Comparison list of air filter filter efficiency
Comparison list of air filter filter efficiency
Since many companies now choose filters of different countries, and their methods of expressing efficiency are different for each country, for ease of comparison, the conversion relationship between them is listed as follows:
Comparison list of air filter efficiency specifications
Approximate comparison list of air filter efficiency specifications in China, the United States, and Europe
| Approximate comparison list of air filter efficiency specifications in China, the United States, and Europe | |||||||||||||||||||||
| GB/T14295 | Coarse Filter Grade |
Medium-Efficiency Filtration Grade |
High And Medium Efficiency Filter Grade |
Sub-High Efficiency Filter Grade |
High Efficiency Filter Grade |
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|
ASHRAE (52.2P.1995) |
C1 | C1C2C3 | L5 | L6 | L7 | L8 | M9 | M10 | M11 | M12 | H13 | H14 | H15 | H16 | UH17 | UH18 | UH19 | UH20 | |||
| CEN(EN779) | G1 | G2 | G3 | G4 | F5 | F6 | F7 | F8 | H9 | H10 | H11 | H12 | H13 | H14 | U15-17 | ||||||
| EUROVENT | EU1 | EU3 | EU3 | EU4 | EU5 | EU6 | EU7 | EU8 | EU9 | EU10 | EU11 | EU12 | EU13 | EU14 | |||||||
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