Door Viewer 180 degree angle of vision with 19mm Dia. Crystal Glass Lens. Standard style door viewer adds a useful security aspect to any door by enabling the user to see who is on the other side of the door before opening it. Extends to suit doors 35 – 55mm deep. Certified to BS EN 1670. Comes with a 10 year mechanical guarantee and is Fire door rated. Part of the Steelworx range in grade 304 Stainless Steel. Suitable for domestic and commercial use.
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