| EN779 | ASHRAE 52.2 | ISO 16890 | Initial Pressure Drop (Pa) | Air Flow (m3/hr) |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| EN779 | ASHRAE 52.2 | ISO 16890 | Initial Pressure Drop (Pa) | Air Flow (m3/hr) |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |
| G4 | MERV 8 | ISO Coarse 65% | 45 | 5400 |