Comparative Guide to Norms for the Classification of Air Filters
Classification of Air FiltersComparative Guide to Norms for the Classification of Air Filters
| Description | Thick dust filters | Fine dust filters | HEPA | ULPA | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EN ISO 16890 | Coarse | ePM1 | ePM2,5 | ePM10 | ePM1 | ePM2,5 | ePM10 | ePM1 | ePM2,5 | ePM10 | ePM1 | ePM2,5 | ePM10 | ePM1 | ePM2,5 | ePM10 | |||||||||
| 40% | 50% | >60% | <20% | <40% |
≥50%
|
<40% | 50-60% | >60% | 50-70% | >65% | >80% | 70-80% | >80% | >90% | >80% | >90% | >95% | ||||||||
| EN779:2012 | G1 | G2 | G3 | G4 | M5 | M6 | F7 | F8 | F9 | ||||||||||||||||
| Average performance (Am) against synthetic dust % | Average efficiency (Em) against particles of 0,4 μ m % | ||||||||||||||||||||||||
| M5 < F9 | 50 < 65 | 65 < 80 | 80 < 90 | 90 < Am | 40 < 60 | 60 < 80 | 80 < 90 | 90 < 95 | 95 < Em | ||||||||||||||||
| Minimum efficiency 0,4 μm | 35 % | 55 % | 70% | ||||||||||||||||||||||
| EN1822:2011 (DEHS) | E10 | E11 | E12 | H13 | H14 | U15 | |||||||||||||||||||
| INICIAL eff. MPPS (DEHS) MPPS=Most penetrating particle size | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | >85 | <95 | >99,5 | >99,95 | >99,995 | >99,9995 | ||||||||||
| EUROVENT 4/5 DPf F5<F9 = 600Pa | EU1 | EU2 | EU3 | EU4 | EU5 | EU6 | EU7 | EU8 | EU9 | EU10 | EU11 | EU12 | EU13 | EU14 | EU15 | ||||||||||
| ASHRAE MERV Values | 1 | 2-3-4 | 5-6 | 7-8 | 9-10 | 11-12 | 13 | 14 | 15 | =16 | =17 | =18 | =19 | =20 | |||||||||||
| ASHRAE 52-76 (weight arr.) | n/a | G70 | G85 | G95 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | ||||||||||
| Gravimeter | m > 65 | 65 > 80 | 85 > 90 | > 90 | > 97 | > 98 | > 98 | > 99,5 | > 99,5 | ||||||||||||||||
| ASHRAE 52-76 (Dust spot) Opacity-metric | > 20 | > 20 | > 20 | > 20 | 40 < 60 | 60 < 80 | 80 < 90 | 90 < 95 | < 95 | ||||||||||||||||
| NBN X 44 001 | n/a | G70 | G85 | G95 | F50 | F70 | F85 | n/a | F95 | U95 | U99,5 | U99,99 | |||||||||||||
| DIN 24185 E | A | B1 | B2 | B2 | B2 | C1 | C2 | C3 | C3 | Q | R | S | ST | T | |||||||||||
| US fed 209 (0,3μm DOP) Initial efficiency | n/a | n/a | n/a | 0-5 | 5-15 | 10-25 | 45-60 | 65-75 | 75-85 | >85 | <95 | >99,5 | >99,99 | >99,999 | >99,9999 | ||||||||||
| Initial efficiency on particles | |||||||||||||||||||||||||
| 0,12μm | – | – | – | – | 0-10 | 5-15 | 25-35 | 35-45 | 45-60 | >99,9999 | |||||||||||||||
| 0,3μm | – | – | – | 0-5 | 5-15 | 10-25 | 45-60 | 65-75 | 75-85 | >85 | <95 | <99,5 | <99,99 | <99,999 | |||||||||||
| 0,4μm | – | – | – | 0-7 | 10-20 | 20-35 | 50-70 | 70-80 | 80-90 | ||||||||||||||||
| 0,5μm | – | – | 0-5 | 5-15 | 15-30 | 20-40 | 60-75 | 80-90 | 90-95 | ||||||||||||||||
| 1μm | – | 0-5 | 5-15 | 15-35 | 30-50 | 50-65 | 85-95 | 95-98 | >98 | ||||||||||||||||
| 3μm | 0-5 | 5-15 | 15-35 | 30-55 | 70-90 | 85-95 | >98 | >99 | >99 | ||||||||||||||||
| 5μm | 5-15 | 15-35 | 35-70 | 60-90 | 90-99 | 95-99 | >99 | >99 | >99 | ||||||||||||||||
| 10μm | 40-50 | 50-70 | 70-85 | 85-98 | >98 | >99 | >99 | >99 | >99 | ||||||||||||||||
| Decontamination factor in MPPS | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 5 | 7 | 20 | 200 | 2.000 | 20.000 | 200.000 | ||||||||||
