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a louvre grille for inside
Height: 21
Round 100mm (4 Inch) outlet connection for mechanical extraction
Black Releasable Cable Ties
Max load: 22kg
Black Combination Air Brick Vents 9" x 3" for Air Flow Ventilation Telescopic Vents a louvre grille for insideProduct Description Black 9" x 3" Air Brick Vents Plastic interlocking air brick ventilator. Clip together facility provides a choice of ventilation sizes. Can be stacked together to create 9" x 6" and 9" x 9" combinations. Moulded in mortar key ensures secure adhesion to the building fabric. Meets NHBC requirements for the control of condensation in buildings. Manufactured to BS 493: 1995 + A1: 2010. Other colours and ventilation fittings for this
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