The SM 1200 is a sleek, unobtrusive window vent which achieves a sound reduction of up to 43 db Dnt Rw in the closed position. This makes it a great choice for people who live in noisy areas and want to improve their air quality and ventilation. 

The vent has a modern, angled design and a smooth, polyester powder-coated finish which can be made in a wide range of colours or even bespoke to suit your needs exactly. With Brookvent’s unique double action close position and a high performance thermal foam seal, the SM 1200 is perfect for anyone looking for fresh air and peace and quiet.