The Whispair 200mm Tiled Roof Ducting Install Pack is a comprehensive solution for installing a ventilation system in your home. This pack includes all the necessary components to ensure a hassle-free installation process. The pack includes a 900mm length of rigid galvanized steel duct, which provides durability and stability for your ventilation system. Additionally, the pack includes a 3-meter length of semi-rigid ducting and a roof cowl made from galvanized steel, along with a silicone flashing that is specifically designed to suit tile roofs. These components ensure a secure and weatherproof connection between your ventilation system and the roof. The pack also includes a backdraft damper, which prevents unwanted air from entering your home when the ventilation system is not in use. Two internal duct connectors, rigid duct mounts, and stainless steel pipe clamps are also included to further enhance the installation process. With the Whispair 200mm Tiled Roof Ducting Install Pack, you can easily and efficiently set up a ventilation system in your home, ensuring proper air circulation and maintaining a comfortable living environment.