Gravity Shutter

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External wall ventilation


Order Codes:

GGR200 – ALV22335

GGR250 – ALV22336

GGR315 – ALV22337


The gravity shutter.


Wall installation to prevent backdraught air or rain penetration and entry of objects or vermin when the ventilation unit is not in operation.


Technical Data:
For wall installation to prevent re-entry of air and entry of objects or vermin  
Performance:
Contact Allvent for further information.  
Dimensions:
Certifications:
Model:
GGR Series