Extracts up to 85m per hour (23 litres per second)Suitable for a standard 4" ducting
Sleeve vent for heat producing appliances
offering reliable performance for any project
Integral nest concave provides ideal starting point for nest building
Other sizes and roof vents available in our shop
15 Pack Grey 1 Metre UPVC Plastic Rigid Angle 25 x 25mm Corner Cover Trim 90 Degree Fascias & soffits Extracts up to 85m perThe H Smart PVC Rigid Angle Corner Trim is perfect for protecting, covering, and neatly finishing exposed corners and edges in your home, office, or commercial projects. Crafted from high quality rigid PVC, this trim is lightweight, strong, and easy to cut, providing a precise, professional fit every time. Its smooth white finish blends seamlessly with most interiors, making it ideal for both functional and decorative use. Whether youre a DIY