• 90 CFM 3.5 Sones.
• Housing fits walls up to 5-1/8” thick.
• Use with Broan Model 57W or 57V variable speed control (available separately).
• Easy interior wall installation.
• Permanently lubricated motor.
• High-strength, reinforced polymeric fan blade.
• Two attractive white polymeric grilles can be painted to match decor.