This louvre is designed to offer very high free areas and is most suitable in exhaust applications to provide very low pressure drop. Available in flange and channel frame options.
| Height | Width (1.000 - 2.500) | |||||||
| 1.000 | 1.200 | 1.250 | 1.500 | 1.750 | 2.000 | 2.250 | 2.500 | |
| 0.200 | 28.4 | 28.6 | 28.7 | 28.9 | 29.0 | 29.1 | 29.2 | 29.3 |
| 0.300 | 40.9 | 41.2 | 41.3 | 41.6 | 41.8 | 41.9 | 42.0 | 42.1 |
| 0.400 | 44.5 | 44.9 | 45.0 | 45.3 | 45.5 | 45.7 | 45.8 | 45.9 |
| 0.500 | 49.0 | 49.5 | 49.5 | 49.9 | 50.1 | 50.3 | 50.5 | 50.6 |
| 0.600 | 49.9 | 50.4 | 50.4 | 50.8 | 51.1 | 51.2 | 51.4 | 51.5 |
| 0.700 | 52.5 | 53.0 | 53.1 | 53.4 | 53.7 | 53.9 | 54.1 | 54.2 |
| 0.800 | 52.6 | 53.1 | 53.2 | 53.5 | 53.8 | 54.0 | 54.2 | 54.3 |
| 0.900 | 54.5 | 54.9 | 55.0 | 55.4 | 55.7 | 55.9 | 56.1 | 56.2 |
| 1.000 | 54.2 | 54.7 | 54.8 | 55.2 | 55.5 | 55.7 | 55.8 | 55.9 |
| 1.100 | 55.7 | 56.2 | 56.3 | 56.7 | 57.0 | 57.2 | 57.3 | 57.5 |
| 1.200 | 55.3 | 55.8 | 55.9 | 56.3 | 56.6 | 56.8 | 56.9 | 57.1 |
| 1.300 | 56.6 | 57.1 | 57.2 | 57.6 | 57.8 | 58.1 | 58.2 | 58.3 |
| 1.400 | 56.1 | 56.6 | 56.7 | 57.1 | 57.3 | 57.6 | 57.7 | 57.9 |
| 1.500 | 57.2 | 57.7 | 57.8 | 58.2 | 58.4 | 58.7 | 58.8 | 59.0 |
| 1.600 | 56.7 | 57.2 | 57.3 | 57.7 | 57.9 | 58.2 | 58.3 | 58.4 |
| 1.700 | 57.6 | 58.1 | 58.2 | 58.6 | 58.9 | 59.1 | 59.3 | 59.4 |
| 1.800 | 57.1 | 57.6 | 57.7 | 58.1 | 58.4 | 58.6 | 58.8 | 58.9 |
| 1.900 | 57.9 | 58.4 | 58.5 | 58.9 | 59.2 | 59.4 | 59.6 | 59.7 |
| 2.000 | 57.5 | 58.0 | 58.1 | 58.5 | 58.8 | 59.0 | 59.1 | 59.3 |
| 2.500 | 58.6 | 59.1 | 59.2 | 59.6 | 59.9 | 60.1 | 60.3 | 60.4 |