The Elta 018 – 315-CLAMP is a high-quality 315mm circular duct clamp made from galvanised steel, providing strong and durable connections in ventilation systems. Featuring a foam lining, it ensures an airtight and vibration-reducing seal when connecting spigotted fans to circular ducts or other ducting accessories. This fast clamp allows for quick installation and reliable performance in commercial and industrial ventilation applications.