Our door letterbox is supplied as a full kit and contains a tunnel and brushes to reduce draughts and insulate the door. The inner sleeve also protects the door from moisture and helps to mask the aperture cutting. We recommend our door letterbox for composite and uPVC doors.

• Overall Size: 315mm x 92mm Opening Size: 249mm x 41mm Fixing Centres: 283mm
• Compatible with the Satin Brass door furniture
• Maximum door thickness: 72mm. Minimum door thickness: 42mm.
• Matching SS bolt through fixings included