Ubbink Insulated Duct Sleeve Diameter 150mm 10m roll - 25mm Insulation Thickness house-size-150-199 Intake fittings: 1/4″ SAE 3/8″

Intake fittings: 1/4″ SAE  3/8″ SAE

A Zehnder ComfoFresh filter can be used to remove particulates

The air volume setting is secured using the lock specially developed for this purpose

AVS125 125mm Mixed flow in-line fan 2 speed

Ubbink Insulated Duct Sleeve Diameter 150mm 10m roll - 25mm Insulation Thickness house-size-150-199 Intake fittings: 1/4″ SAE 3/8″Indoor 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