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New window system cuts sound levels by 26 decibels, achieves four times better ventilation
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Ventilator PC NZXT Aer F120 1500 rpm 31 dB Ø 12 cm
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Fantech® DP-18"-DB Complete Drive Pack, For Use With 5BDU18/5BDD18 Series Upblast/Downblast Roof Ventilator | First Supply
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Ventilator PC NZXT Aer F120 1500 rpm 31 dB Ø 12 cm
Dueperthal Exhaust air monitor with ventilator, 3m/34 db (A) Products | Fisher Scientific
Ventilator PC Mars Gaming 1100 rpm 14 dB Ø 12 cm x 3 – Maniqonline
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Glidevale Protect Fresh 90 dB Acoustic Wall Ventilator | BPD Building Product Design Ltd | NBS Source