Flexible duct ?400 insulated 5m De Dietrich 300021025

The Flexible duct ?400 insulated 5m is a high-quality, pre-insulated duct designed for efficient air handling in heating and ventilation systems. With a diameter of 400 mm and a length of 5 meters, it provides excellent thermal insulation to minimize energy loss. The flexible construction allows for easy installation around obstacles, making it a practical choice for both new installations and retrofits in commercial or residential settings.