Broan Exhaust Fan, Series: QTRE, 80 cfm, 4 in Duct Dia, 120 VAC, 0.3 A, 0.8 Sones, 13 in Grille Length, 14 in Grille Width, Polymer Grille, 11-3/8 in Housing Length, 10-1/2 in Housing Width, 7-5/8 in Housing Height, 26 ga Steel Housing, Humidity Sensing: No, Motion Sensing: No, Domestic