List of featured suppliers of DOOR VIEWERS Fire Resistant on Building Products Index
Door viewers are optical devices designed to provide people with a clear view of the area outside their doors without the need to open the door. They consist of a lens mounted in a housing that is screwed into a hole drilled in the door. By looking through the lens, people can see who is outside before deciding whether to open the door. Door viewers come in different shapes, sizes, and materials, and can be customized to fit different types of doors. They are commonly used in residential and commercial buildings to enhance security, privacy, and convenience.
