9" x 6" Cavity Wall Extension Sleeve for Air Draught Ventilator Vent

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Product description

  • INTEGRAL WIND BAFFLE - Air brick cowl vent featuring an integral wind baffle that optimises airflow efficiency while minimising the impact of external draughts and preventing unwanted light intrusion. is engineered to deliver excellent airflow with a maximum equivalent area of free air space.
  • VERSATILE DESIGN - This vent reduces draughts and light intrusion, creating a more comfortable indoor environment. It's easy to install and meets the stringent requirements set by the National House Building Council (NHBC) for controlling condensation in buildings.
  • SIZE - This black air vent measures 9 x 6 Inches and each adaptor adds another 200mm to the sleeve length, finished with a louvre vent for internal use and an air brick for external use.

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