5" 125mm - Metal Ducting Inline Silencer Attenuator - 600mm Inline Fan Kits Please Note For Standard Model:

Please Note For Standard Model: If timer is not needed please link between Switched live and live with a small piece of wire or remove PCB

Wall In line Void/Loft Mounted Heat Recovery Unit OnlyUnit label airflow is incorrect unit does 200m3/hr on full speedPlease note all airflows are at free air (No pressure) & Without filters

these units will give maximum performance even against pressures caused by long lengths of ducting and resistance by grilles

Brand: Swiftair Timer Model: (No Plug) - Live

5" 125mm - Metal Ducting Inline Silencer Attenuator - 600mm Inline Fan Kits Please Note For Standard Model:Silenced Fan Silencer Use a Silenced Fan Silencer to absorb the unwanted noise; two silencers can be used in series where unwanted noise is a particular problem. With the higher flow rates of our professional fans, air noise can become a problem. Air moving through ducts creates noise. The faster the air, the more noise is created. If noise is a problem, connect a Silenced Air to your system. A Silenced Air is most effective if positioned directly