Effective ventilation and sound insulation

With a sound insulation value of up to 49 dB

Noise insulation vents

Product - SDL sound-insulating ventilator

SDL

Noise insulation vents

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Product - GI plastic grille

GI-STUL

Round ventilation grille with spigot and U-lip seal

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Product - GI plastic grille

GI-DV

Round inner grille with twist lock and U-lip seal

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