Broan 510 10" Room to Room Ventilation Fan 380 CFM 6.5 Sones. Built-In Variable Speed Control. Housing Adjusts to Fit Walls from 3" to 5-1/2" Thick. Easy Interior Wall Installation. Permanently Lubricated Motor. High-Strength, Reinforced Polymeric Fan Blade. Two Attractive White Polymeric Grilles can be Painted to Match Decor 380 CFM 6.5 Sones Built-in variable speed control Housing adjusts to fit
