NuToneĀ® Blower Ventilator, QuieTTest Twin, 200 cfm at 0.1 in SP, 120 V, 1 A, 60 Hz, 16-1/2 in Grille Length, 12-3/32 in Grille Width, White Polymeric Grille, 14-1/4 in Housing Length, 10 in Housing Width, Galvanized Steel Housing, Ceiling Mount, White