Select the Broan 636 Roof Cap to provide reliable rooftop ventilation. Features a black enamel finish and is designed for use with 3-inch or 4-inch round ducts. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct.
Broan Nutone is the industry leader of bathroom exhaust fans, bathroom ceiling fans, bath ventilation fans, bathroom fans with lights, heater/fan/light combination units, built-in heaters, and attic ventilator fans.
SKU: 667016, MPN: '636, UPC: '26715000609