Description

The Duo Letterbox is a two part high specification design with spring loaded anodised aluminium flaps inside and out. Each part has a plastic sleeve for the inside of the wooden or PVC door, which allows for different door thicknesses. The outer section has a gasket weatherseal and the inner flap is protected by a polypropylene brush. The Duo is 70mm high, for doors 40 – 65mm thick. It comes with all fixings needed, a cutting template for the door and full fitting instructions.