Bv Ventilation Exhaust Fan For Home, Through-The-Wall Utility Fan, 70 Cfm, 4.0 Sones, 6 Inch

Efficient Air Flow: Runs At 70 Cfm And Has A 4.0 Sone Rating For A Quiet And Efficient Operation In Rooms Up To 85 Sq Ft | Ease Of Installation: Easy Installation Or Replacement Of Existing Product With Adjustable Housings To Fit Walls Up To 6-10 Inches Thickness | Customizable: White Polymeric Grilles Are Paintable Allowing You To Match Your Existing Decor | Air Ventilation: This Fan Helps Remove Humidity, Smoke, And Cooking Odors To Keep Your House Fresh And Clean | Feature: With Dampers For Room To Room Or Room To Outdoor Ventilation | Warning: Do Not Use For A Humid Bathroom; Do Not Use This Fan With Any Solid-State Speed Control Device