The BT9923 is designed to mount XL ultrawide displays to a wall in portrait orientation. The mount is supplied with adaptor arms with vertical vesa fixings up to 1500mm; making it compatible with a wide selection of 21:9 ratio ultrawide displays. The low profile design mounts the display at a depth of 57.5mm (with adaptors) from the wall for a neat and tidy install whilst also allowing easy access to the connectors.