Gira E2 cover frame for flat installation, anthracite, 2-way, without centre bar Features: Shatter-proof. Using the Gira device box, the Gira E2 switch range can be installed flat on the wall. For cavity wall mounting, e.g. B. in a flexible wall system, this device box can be sunk directly into the wall. For flush-mounted installation in masonry, the device box is inserted into a flush-mounted installation box and this is then embedded in the wall.