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Our Circular Attenuators are engineered to deliver high-performance noise reduction in ventilation and fan systems, available in bush, spigot and mixed connections. Designed for direct connection to metric axial flow fans and circular ductwork, they effectively reduce airborne noise while maintaining efficient airflow. The spigot option allows faster installation and removes the need for a flange ring, reducing installation time and overall cost.
- Acoustic infill manufactured from glass wool or mineral wool
- Membrane lining to prevent fibre migration into the airstream
- Cylindrical construction for direct fan connection or inline duct installation
- Standard lengths typically 1–2 × internal diameter
- Suitable for HVAC systems, industrial ventilation, clean environments, and noise-sensitive applications
- Suitable for cleaning using low-pressure steam
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