The Sirius EASYROOF200M 200mm Metal Roof Ducting Kit is a comprehensive solution for installing a ventilation system in your metal roof. The kit includes a 3m semi rigid duct, ensuring efficient airflow throughout your space. It also comes with universal galvanised steel ring clamps and G/s internal duct connectors, providing secure and leak-free connections. The G/s rigid ducting is durable and designed to withstand the rigors of ventilation systems. The kit also includes a galv st (perf) bracing strap for added stability. To ensure proper ventilation through the roof, the kit features a roof cowl galv st 200mm. Additionally, the Met roof pipeflash 435X435 is included to provide a waterproof seal around the ducting. With all these components, the EASYROOF200M kit offers a convenient and reliable solution for installing a ventilation system in your metal roof.