UL 10C Fire Rated 1/2 Inch Viewer Bore Adjustable To Fit Doors From 1 3/8 To 2 1/4 Inches Thick 180 Degree Viewing Radius Fabricated With Brass Chrome Finish. more details
UL 10C Fire Rated 1/2 Inch Viewer Bore Adjustable To Fit Doors From 1 3/8 To 2 1/4 Inches Thick 180 Degree Viewing Radius Fabricated With Brass Chrome Finish.