Super Quiet Register Booster Fan for 6″ X 12″ Register Holes, Smart Register Ven
At its lowest setting, it operates at a whisper-quiet level under 16 dBA—gentle as a breeze and won’t disturb your sleep. Airflow: 140 CFM. Noise: 16 Dba. Color: White. 4 x 10 in. 4 x 12 in. 6 x 10 in.