The Extron EWB 210 Series external wall boxes are enclosures for Flex55 and EU products. The EWB 210 series is designed with sufficient depth to house faceplate wiring and accepts cable runs from a surface-mounted raceway or rear wall space. It mounts Flex55 mounting kits, MLC EU control panels, and other EU wallplate products onto a wall or other flat surface. The EWB 210 Series is available in a one-gang or two-gang size with a durable white finish.