Enhance the look of your upvc windows with the Greenwood Series Trickle Vent. Available in all sizes and colours, this window fitting is perfect for any home. The vent is designed to provide a seamless and elegant finish to your windows, while also ensuring proper ventilation and insulation. Crafted by the trusted brand Greenwood, this trickle vent is a great addition to your home improvement project. It is easy to instal and will blend perfectly with your upvc windows, giving a sleek and modern appearance. Make your windows stand out with the Greenwood Series Trickle Vent.