Broan-NuTone 503 8" Side Discharge Fan Since their beginning in 1932, Broan has pioneered many of the product innovations now established as standards of the industry. Today, Broan carries on the commitment to provide the finest products in the ind ustry. Eliminate humidity from laundry rooms, tobacco smoke from rec rooms and workshops, or cooking fumes from kitchens with Broan`s high-efficiency utility ventilators. Broan-NuTone 503 8" Side Discharge Fan Features: • Utility Fans, Side D ischarge • 160 CFM, 8" Fan, 5.0 Sones, 11-1/2" square plastic grille • 160 CFM 5.0 Sones • Installs easily between ceiling joists or wall studs • Built-in damper prevents backdrafts • Fits 3-1/4” x 10” duct