• For use in 100mm, 4" dia walls where fresh air intake or extract is passively required.
• Anti draught, washable filter vapour permeable membrane included.
• Adjustable iris shutter to control airflow and possible cold spots.
• Telescopic wall sleeve to fit walls up to 500mm thick.
• Cowled external wall grille finished in UV protected white.

If the quantity you require is more than the number we have listed, please contact us as it is likely that we have more available.

Collection is also welcome from our business premises in Elland, West Yorkshire.

Orders placed before 3pm weekdays, will be dispatched same day.

Price includes VAT an invoice provided on request