General description Space-saving, non-perforated letterbox for wall mounting indoors and outdoors. It features a front slot in portrait format DIN C4 (DIN A4 with envelope) that complies with European standard EN 13724, allowing for safe insertion and removal of mail up to DIN C4 format. The design ensures one-handed operation and includes an opening stop for front door support. Technical specifications Format: A4 (DIN C4) Material: Stainless Steel Color: Anthracite Compliance: European standard EN 13724 Warranty: 5 years manufacturer's warranty Installation Simple assembly using plastic dowels, either overlapped or side by side to compact remaining drill holes Includes spacers to protect the house wall and compensate for surface irregularities Usage Easy to clean due to high-quality coating Wide opening with non-cutting edges for safe and pleasant cleaning