RFBA Four-Inch Large Rectangular Extension Ring

Your go-to floor box just got better. Resource RFB Series Floor Boxes are designed for maximum efficiency throughout an entire building, bringing versatile recessed activations for power and data services to open space areas or directly to workstations. No matter what size you choose, components and accessories work across the entire line interchangeably. Simply mix-and-match as needed for your project. Improved wire and cable routing makes wire pulling much easier in adjacent compartments and around corners. Available in 2-, 4-, 6- and 10-gang models with a variety of covers, colors and profiles.* Installs in tile, stone, carpet, terrazzo, wood and polished concrete. Perfect for many applications, including schools, financial institutions, commercial office buildings, hospitality and residential.