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
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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.
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The Tunal Top Neo is a thermally broken aluminium vent designed to fit on the window frame. It can be placed on plastic, wooden and aluminium frames and features an inner flap which, in the opened position, guides incoming air upwards to avoid drafts.