Arlington Non-Metallic Box Extender, 1-Gang

Arlington's BES series box extender adds height and depth to an electrical box, allowing you to install large items, like a dimmer switch, in a shallow box. There's no need to remove the existing shallow box. Just attach a BES box extender to extend the height of the box 5/8 of an inch.

• No need to remove existing shallow box
• Allows you to install larger devices such as GFCI's in shallow boxes
• Finishes with any standard or mid-size wall plate
• Paintable