The WBOX Series Flush Mounting Box is engineered for professional installations, featuring a compact 83.5mm dimension. Constructed from durable thermoplastic, it ensures longevity and reliability. The box is presented in a vibrant orange color, enhancing visibility during installation. Please note, it is supplied without a cover and screw. It is compatible with the UNIBOX Series frame, specifically references 136.5023 and 136.5023.AT, facilitating seamless integration into existing systems. This product is designed for flush mounting applications, providing a streamlined and efficient solution for electrical installations.