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with Class F insulation
Speed Control: Adjustable speed via voltage or frequency inverter
C3: Outlet height
Integral thermal overload protection
204 X 60mm X 1000mm Long Duct Silencer Size_310mm with Class F insulation204 x 60mm x 1000mm Long Duct Silencer The 204 x 60mm 1000m Rectangular Attenuator is manufactured from UPVC which is lined with acoustic material and has a minimum free area of 5,264mm2. It has a female adaptor for connection outside of the system 204 duct. The silencer is fully compliant with SAP Appendix Q product characteristics database recommendations for duct sizes used with both extract and Mechanical Heat Recovery Systems. Also available is a
