180 degree brass door viewer 180 degree,14mm diameter,50-75mm.Glass lens or Plastic lens. Finishing:BP,CP,NB,SN,AB,AC 180 degree brass door viewer1.Diameter:14mm2.Material:Brass/Zinc3.Angle:180 degree4.Length:50-75mm5.Lens:Glass or Plastic. Fire rated glass lens available6.Finishing:BP,CP,NB,SN,AB,AC7.With or without closer.High quality and cheap price door viewer 180 degree brass door viewer