MQF4InVent 4” QFlow Duct Connector

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  • With our QFlow™ Duct Connector, InVent fans reduce air leakage by up to 65% compared to competitive models*, offering an extremely tight seal when closed and completely open airflow when open.

    *Testing reflects total fan housing air tightness. See NuTone.com/InVent for details.

  • Duct Size4"