Suitable installation frame for 21-inch tablet standard series. Single frame for installation in walls, tables, furniture, etc. Flange-mounted. The tablet protrudes approximately 2 mm from the frame. This frame is specifically designed for our cover plates. Dimensions: 578 mm x 368 mm x 38 mm including a flange of 18 mm. Cutout: 543 mm x 337 mm (+2 mm on each side to ensure air circulation). The depth should be at least 45 mm.