airvent SM ULTIMA
The SM ULTIMA is a high quality acoustic window vent offered in 2 widths with 2960mm2 EA and 5000mm2 EA airflow and providing a 47 dB Dne W sound reduction (SM Ultima 2960) or 39 dB Dne W (SM Ultima 5000) in the open position
airvent Tunal Top Neo DB 35 & 39
Tunal Top Neo DB 35 & DB 39 is a high preforming thermally broken over frame window vent in a choice of 2 acoustic reductions.
airvent SM 1000+ Trickle Ventilation
The SM 1000+ combines all the great benefits of the SM 1000, along with a rod control operation.