The D Vent has been designed a shutter style open and closing mechanism and is provided with a high performing external louvered grille. Offering a discreet installation finish 4 options are available for varying installation applications.

Key Stats;

• 4 model configurations; 2 for window profile installation and 2 for over-frame installation

• For window profiles 2 models can provide 1700 and 3300mm² equivalent area (England & Wales)

• For over-frame installations 2 models can provide 1700 and 3400mm² equivalent area (England & Wales)

• Overframe models consist D Vent internal shutter Slotvent and recessed flyscreens for external installation

• External louvered grille provides excellent weather performance for all types of window profile installation

• Upward air deflection design eliminates draughts when Slotvent is installed

• Front operation

• Available in white, brown and brilliant white colour options - RAL numbers available on request

• UKAS accreditation

• Fully accredited and tested The D Vent has been independently tested at a third party accredited test house to all of the current British Standards. Please see performance tab for full air permeability, Watertightness, noise and equivalent area performance information.