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Ultra Silent Duct Fans

Duct fans for noise-sensitive spaces, with optimised blade profiles and sound-attenuating casings. Final selection is confirmed at the duty point (airflow / static pressure / voltage / control mode) and by project verification.

Filter by duty point2 models match · series LWDA300
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Filters use nameplate maximum values (max airflow at zero static pressure, max static pressure at zero airflow). Check the actual operating point on the performance curve of each model.

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Certifications for this product line
FCC ×2CE-LVD ×2CE-EMC
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Ningbo Longwell Electric Technology Co., Ltd. · No. 100 Henan Road, Ditang, Yuyao, Ningbo, Chinasales@longwellfans.com · WhatsApp +86 183 5827 4663 · Mon–Fri 8:30–17:30 (UTC+8), reply within 1 business dayHow to order · Privacy notice
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