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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
9 x 6 Inch (228mm x 153mm)
spacious and habitable area to allow swifts to nest
The high visibility colour reminds you to remove the cover once the flood water has receded
bonnets and discs
Length: 370mm
Manthorpe Buff Interlocking Air Brick Vents Pack Size:20 9 x 6 Inch (228mmProduct 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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