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The Helios Fans RSD 355/1200 is a high-quality duct silencer designed to reduce noise in ventilation systems while maintaining efficient airflow. Its sturdy housing is made from galvanized sheet steel, lined internally with premium mineral wool for excellent sound absorption. The flow side features a protective fleece to prevent abrasion and enhance longe ...
The Helios Fans RSD 355/400 is a compact and efficient duct silencer engineered for use in ventilation systems where noise reduction is essential. Constructed from durable galvanized sheet steel, the silencer is internally lined with high-grade mineral wool to absorb sound effectively. The airflow side is protected with an abrasion-resistant fleece for en ...
The Helios Fans RSD 355/800 is a high-performance duct silencer designed to minimize noise levels in ventilation and ducted air systems. Its robust housing is made from galvanized sheet steel, providing long-lasting protection and structural integrity. Internally, the silencer features premium mineral wool insulation for superior acoustic absorption, with ...
The Helios Fans RSD 400/1200 is a premium duct silencer engineered for effective noise reduction in ventilation systems. It features a sturdy housing made of galvanized sheet steel and is internally lined with high-quality mineral wool to absorb sound. To prevent fiber erosion, the flow side is protected by a durable fleece covering. This model is ...
The Helios Fans RSD 400/400 is a high-performance duct silencer designed to reduce noise in ventilation systems with minimal airflow impact. Constructed with a galvanized sheet steel housing, the unit is lined internally with premium mineral wool for effective acoustic insulation. A protective fleece layer on the flow side prevents material abrasion, ensu ...
The Helios Fans RSD 400/800 is a high-efficiency duct silencer engineered to reduce airflow noise in ventilation systems while maintaining low pressure loss. Its durable housing is made of galvanized sheet steel and is internally lined with premium-grade mineral wool for optimal sound absorption. To enhance durability, the flow-side is protected with a fl ...
The Helios Fans RSD 450/1200 is a high-performance duct silencer designed to provide superior noise attenuation in ventilation and duct systems. The housing is constructed from robust galvanized sheet steel, ensuring long-term durability and corrosion resistance. Internally, the unit is lined with high-quality mineral wool for efficient sound absorption, ...
The Helios Fans RSD 450/400 is a compact and effective duct silencer designed to reduce noise in ventilation systems without compromising airflow. Its robust galvanized sheet steel housing offers excellent durability and corrosion resistance. Inside, the silencer is lined with premium-quality mineral wool for superior sound absorption, while a protective ...
The Helios Fans RSD 450/800 is a high-quality inline duct silencer engineered for noise reduction in ventilation systems. Its sturdy housing is constructed from galvanized sheet steel, ensuring long-term durability and resistance to corrosion. Internally, it features a high-grade mineral wool lining that effectively dampens sound, while a fleece layer on ...
The Helios Fans RSD 500/1200 is a robust inline duct silencer designed to reduce noise in ventilation systems while maintaining high airflow efficiency. Its durable housing is made from galvanized sheet steel, providing excellent corrosion resistance and structural strength. Inside, it features premium mineral wool lining for superior acoustic insulation, ...
The Helios Fans RSD 500/600 is a high-performance inline duct silencer designed to minimize noise in ventilation systems without compromising airflow. Its rugged housing is constructed from galvanized sheet steel, providing long-term durability and protection against corrosion. Inside, the unit is lined with premium-grade mineral wool for effective sound ...
The Helios Fans RSD 500/900 is a robust inline duct silencer designed to reduce noise in ventilation systems while maintaining optimal airflow. Its durable housing is made from galvanized sheet steel, ensuring resistance to corrosion and long-lasting performance. Inside, it features a high-quality mineral wool lining for excellent sound absorption, comple ...
The Helios Fans RSD 560/1200 is a high-performance duct silencer engineered for effective noise reduction in ventilation systems. Its housing is constructed from galvanized sheet steel for superior durability and corrosion resistance. Internally, the silencer is lined with high-quality mineral wool to absorb sound effectively, while a fleece layer on the ...
The Helios Fans RSD 560/600 is a compact and effective duct silencer designed to minimize noise in ventilation systems while maintaining optimal airflow. The robust housing is made from galvanized sheet steel, offering strong protection against corrosion and wear. Internally, it is lined with high-quality mineral wool for superior acoustic performance, an ...
The Helios Fans RSD 630/1200 is a premium-quality duct silencer engineered for efficient noise attenuation in ventilation systems. Constructed from durable galvanized sheet steel, it is designed to withstand harsh conditions and maintain performance over time. The interior is lined with high-grade mineral wool for optimal sound absorption, while the airfl ...
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Same day deliveries locally & nationwide (UK mainland only). Price on request — Send message with order, or call 0161 864 1777.
