Broan 509S NuTone Sidewall Exhaust Fan, 180 CFM

Highlights:

• 8-3/4 dia. sleeve
• 11-1/2 sq. grille
• 180 CFM. 5.0 sones?
• For walls 4-1/2 to 9-1/2 thick
• Rotary on-off switch?
• Permanently lubricated motor with twist lock installation
• Built-in damper
• Plastic fan blade & steel housing
• Boxed.