PER-CN aluminum exhaust louvers. The PER-CN exhaust louvre used in duct ventilation systems as the ventilation end of ducts.
|
Type
|
A | B | C |
| 250 CN | 333 | 40 | 287 |
| 355 CN | 398 | 40 | 352 |
| 400 CN | 451 | 40 | 405 |
| 450 CN | 504 | 40 | 458 |
| 500 CN | 557 | 40 | 511 |
| 630 CN | 700 | 50 | 590 |
| 710 CN | 800 | 50 | 690 |
| 800 CN | 900 | 50 | 790 |
| 1000 CN | 1100 | 50 | 990 |