VERSATILE FAN: Ventilation fan helps eliminate humidity, tobacco smoke, and cooking odors. Install the compact fan between ceiling joists or wall studs - wherever it's needed most! EFFICIENT: Fan circulates air past replaceable activated charcoal filter to continually cycle the air in enclosed spaces. Minimum Construction Space Required- 2 x 4 inches EASY INSTALLATION: Torsion springs grille mounting - no tools necessary for a quick and easy installation DECORATIVE: Paintable polymeric grilles allow you to ensure the fan is cohesive with your existing decor FEATURES: Plug-in, permanently lubricated motor with the Broan-designed polymeric blower wheel for high-quality operation every time. Motor snaps in and out for easy cleaning - no screws required 1 A