The Elta 018 – 250-CLAMP is a 250mm fast clamp engineered for efficient and secure connections between spigotted fans and circular ductwork or ventilation accessories. Constructed from durable galvanised steel, this clamp ensures long-lasting performance and corrosion resistance. It includes a foam lining to provide a tight seal and reduce vibration or noise during operation. Ideal for use in commercial and residential ventilation systems, the clamp simplifies installation and maintenance while maintaining airtight duct connections.