Frelan Door Viewer 120 Degree to suit FD30/FD60 Fire Doors

These Frelan door viewers have a 120 degrees viewing angle and come supplied with an intumescent kit.

The threaded design allows the viewer to be adjusted to different door thicknesses and are suitable for doors from 35mm up to 55mm.

Ideal for wooden and UPVC doors and suitable for FD30 and FD60 Fire Doors when used with the intumescent kit.