Grilles with shutters
Grille with gravity shutters is designed to allow an air by ventilation system flow only in one way. When the fan put an air out of the building - feathers rise to make an air flow and when a fan didnt work - a feathers falls and close a flow between inside and outside to resist getting cold air, dirt and insects to the room.
| code | name | diameter | size | colour |
| 02-307 | Grille with shutters Ø100 white | 100 | 170x170 | white |
| 02-309 | Grille with shutters Ø100 brown | 100 | 170x170 | brown |
| 02-308 | Grille with shutters Ø100 gray | 100 | 170x170 | gray |
| 02-353 | Grille with shutters Ø100 graphite | 100 | 170x170 | graphite |
| 02-304 | Grille with shutters Ø120 white | 120 | 170x170 | white |
| 02-306 | Grille with shutters Ø120 brown | 120 | 170x170 | brown |
| 02-305 | Grille with shutters Ø120 gray | 120 | 170x170 | gray |
| 02-356 | Grille with shutters Ø120 graphite | 120 | 170x170 | graphite |
| 02-310 | Grille with shutters Ø125 white | 125 | 170x170 | white |
| 02-312 | Grille with shutters Ø125 brown | 125 | 170x170 | brown |
| 02-311 | Grille with shutters Ø125 gray | 125 | 170x170 | gray |
| 02-354 | Grille with shutters Ø125 graphite | 125 | 170x170 | graphite |
| 02-301 | Grille with shutters Ø150 white | 150 | 170x170 | white |
| 02-303 | Grille with shutters Ø150 brown | 150 | 170x170 | brown |
| 02-302 | Grille with shutters Ø150 gray | 150 | 170x170 | gray |
| 02-355 | Grille with shutters Ø150 graphite | 150 | 170x170 | graphite |
