1.2 sones super quiet performance. Silent-clever technology | Mounting opening: 9.25? x 9.0?. height: 6.1? stainless steel 4? duct collar | Ventilating area for bathroom space up to 110 sq. ft. | Hvi 2100-certified, and UL approved. Quality & performance assurance | One-year limited product warranty with technical support service included
Item# : SPM16372999324
Model # : BV-BF-02-PLUS