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Max 100 watt bulb
Eliminates rotting felt caused by ponding water
Suits all tile profiles
and utility controls
Low-Maintenance uPVC: UV-stable and moisture resistant
Grey Combination Air Brick Vents 9" x 3" for Air Flow Ventilation Pack Size:20 Max 100 watt bulbProduct Description Grey 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