1 Gang PVC Box Extender

Cantex EZ Box Old Work Rectangle PVC 1 gang Box Extenders Gray

The EZSO-EXT EZ Box PVC Old Work 1-gang Box Extender is great for remodeling (old work) projects where boxes are set too deep in the wall and need extending. It can extend switch & outlet boxes set too deep in walls up to 1-1/8 inches.
Extend most standard 1-gang PVC switch & outlet boxes with ease
EZ Mount flanges for easy installation
Engineered for easy, cost saving installation and constructed with resilient PVC for durability