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GRR grille 18

Gravity Shutter

Stops back draught and rain penetrationKeeps out vermin when not in use

External wall ventilation shutter

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Model: GGR Series

Order Code: See technical data for further details

Model	Code	Duct Size	A	B
GGR100	ALV22332	100	140	8
GGR120/125	ALV22333	125	160	8
GGR150	ALV22334	150	198	8
GGR200	ALV22335	200	254	14
GGR250	ALV22336	250	299	14
GGR315	ALV22337	315	391	14

Contact Allvent for further information.

GGR

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