Broan Model 507 8" Chain-Operated Ventilation Fan (250 CFM)

Eliminate humidity from laundry rooms, tobacco smoke from rec rooms and workshops, or cooking fumes from kitchens with Broan's high-efficiency utility ventilators. Features: 250 CFM 7.0 Sones. Specially designed polymeric fan blade. 8-3/8" diameter sleeve Housing features foam-insulated door for energy efficiency. Pull-chain opens door and turns on fan (no wall switch to wire). Permanently lubricated, thermally protected, plug-in motor Motor assembly offers fast, easy "twist-lock" installation Housing adjusts to fit walls from 4 -1/2" to 9-1/2" thick. Grille Dimension: 11-1/2" square plastic grille