IrrDen 110 CFM Ultra-Quiet Bathroom Exhaust Fan (1.0 Sones, 10″x10″ Panel)
Ultra-Quiet Operation: Rated at just 1.0 Sones (40dB). It’s whisper-quiet and won’t disturb your sleep or morning routine. Panel Size: 10″ x 10″ (24 x 24 cm). Key Features & Specs Required Ceiling Cutout: 8″ x 8″ (20 x 20 cm).