Ubbink Insulated Duct Sleeve Diameter 150mm 10m roll - 25mm Insulation Thickness house-size-150-199 AVS125 125mm Mixed flow in-line

AVS125 125mm Mixed flow in-line fan 2 speed

This is the traditional type of odour filter and is made of a mix of activated carbons

Part no Product EL54511 LP

For use with the 100mm diameter TVA grille housing and the Zehnder 125mm Comfo Luna Valve

Ubbink Insulated Duct Sleeve Diameter 150mm 10m roll - 25mm Insulation Thickness house-size-150-199 AVS125 125mm Mixed flow in-lineIndoor sound is potentially a greater source of noise hindrance than outdoor sound as the insulation in buildings has improved. Mechanical ventilation units and fans generate sound as they displace the air through the air distribution system and cause vibration. Special attention must be paid to the location and mounting of the ventilation unit, the sound attenuation of partition walls, ceilings and doors, and the design and installation of the air