SMS-B
| Type | A(mm) | B(mm) | C(mm) | D(mm) | T(mm) |
| SMS-B154x154 | 154 | 154 | 110 | 110 | 15 |
| SMS-B187x187 | 186 | 186 | 142 | 142 | 15 |
| SMS-B299x221 | 221 | 299 | 250 | 168 | 15 |
| SMS-B250x250 | 250 | 250 | 214 | 250 | 15 |
The ventilation grille is intended for attachment to the outer wall. It is fixed to the plaster with the help of screws. The ventilation grille is designed as an exhaust grille, which means that the louvers of the grille are closed and are only opened by the air flow of the switched-on fan. This prevents heat loss when the fan is switched off Made of high quality ABS plastic (suitable for temperatures up to 45 ° C), it is extremely light andweather resistant and therefore has a long service life. Thanks to the simple construction, the grille can |
