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Ships within 48 hours · Estimated delivery Sep 23 - Sep 28
Pack of 100
This vent is to increase the airflow in a room to eliminate condensation with this
Louvred 4mm flyscreen grill prevents entry of birds and large insects
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Quantity of required dry verges
Manthorpe Buff Interlocking Air Brick Vents Pack Size:20 Pack of 100Product Description Manthorpe Buff 9" x 3" Air Brick Vents Plastic interlocking air brick ventilator. Part number: G930. Provides 6,450mm of airflow per 9" x 3" airbrick. Clip together facility provides a choice of ventilation sizes. Can be stacked together to create 9" x 6" and 9" x 9" combinations. Additional G935 extension sleeves available in . Moulded in mortar key ensures secure adhesion to the building fabric. Meets NHBC requirements for the
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