Broan-NuTone® 634 Steel Roof Cap, 3-1/4-Inch x 10-Inch or Up to 8-Inch Round Duct, Black Camera Tabbed release liner for easy

Tabbed release liner for easy installation

47-21517-14

11-3/16" Grate

The hard hat has a BOLT™ Headlamp Mount that works with most headlamps for easy

Cushion-Grip handles provide superior torque and comfort

Broan-NuTone® 634 Steel Roof Cap, 3-1/4-Inch x 10-Inch or Up to 8-Inch Round Duct, Black Camera Tabbed release liner for easyBroan NuTone 634 Steel Roof Cap, 3 1 4 Inch x 10 Inch or Up to 8 Inch Round Duct, Black Select the Broan NuTone 634 Roof Cap to provide reliable rooftop ventilation. Features a black enamel finish and is designed for use with 3 1 4" x 10" or up to 8" round duct. Includes a built in back draft damper, and protective bird screen to prevent small pests from entering duct. Specifications INSTRUCTIONS