Size: 450 x 450
Wall thickness: 110-240mm (wall sleeves for thicker walls available)
FVA: 0.151m2
Weight: 22KG
Model 450
Internal dimensions 450x450mm
External dimensions 670x618mm
Freeflowing vent area 0.151m2
Installation position Wall or ceiling (vertical or horizontal)
Default opening pressure 60 Pascals (factory customization possible)
Default finishing RAL9016 powder coating
Fire rating: 120 minutes