Sound reduced window vent for mounting in upper part of window frame. Easy to clean, the cover underneath is easily opened without tools. Fresh FL-dB is supplied with Fresh 42.
Standard lengths are 800, 900, 1000, 1100 and 1200 mm.
The lengths of Fresh FL-dB can also be custom-made (FL-dB special). However, in order to guarantee a certain capacity and sound reduction the minimum length is set to 800mm and max length is set to 1900mm.
Good sound reduction Easy to check and clean Easy to mount Sheet steel, galvanised or powder coated
Capacity at 10 Pa slot: 5,8 l/s Capacity at 10 Pa row of holes: 5,2 l/s Sound reduction D n,e,w: 42 dB Hole size slot (mm): 400x14 Hole size row of holes (mm): 22 holes x Ø14 Material: Powdercoated hot-dip galvanised sheet steel Colour: White, NCS S0502-Y