Carlon New and Old Work 4.89 cu in Rectangle PVC 1 gang Box Extension Blue

Carlon B1MGEXT-2-Pack Gangable PVC Box Extenders For Single or Multiple Gang Electrical Boxes. Excellent for Remodeling. Extends Electrical Boxes Set Too Deep In Wall Up To 1" Max. Mounting Ears. No Need To Disconnect Wiring Device. Works With Most Nonmetallic Single and Multiple Gang Electrical Wiring Boxes and Devices.