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 to three-gang size with a durable white finish.