Sound reduced window vent suitable for installation subjected to a noisy environment. The vent is installed in the upper part of the window frame. Supplied with a infinitily variable damper-regulator and filter.
Fresh AL-dB 450/40 can also be delivered with minimumflow-stopper if requested.
Sound reducing window vent Variable damper-regulator Made of extruded aluminium Filter as standard
Capacity at 10 Pa slot: 6,2 l/s Capacity at 10 Pa row of holes: 5,2 l/s Sound reduction D n,e,w: 40 dB Hole size slot: 350x12 Hole size row of holes: 22 holes x Ø12 Material: Aluminium Colour: White, NCS S0502-Y