Duct Size 4 in.
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Vista SE90 - Ultra Quiet - Snap-In Ventilation Fan - 90 CFM - 1.0 Sones - Duct Size 4 in. - White Color
This fan moves 90 cubic feet air per minute (90 CFM) at a very low noise level 1.0 Sones. Recommend room size 85 sqf / 7.9 m2. Vista Ultra Quiet ventilation fans are designed to provide fresher and clear air for your room at very low energy consumption too.
Learn More...$127.90