Carlon BH118R 1Gang 18 Cu In. Old Work Heavy Wall Electrical Switch & Outlet Box

Carlon Single Or Multiple Gang Box Extender 2 Pack Non metallic

Carlon Lamson & Sessons B114RR-UPC Single Gang Old Work Box

Carlon Single or double gang Box Extender

5X CARLON B120R PVC single gang cut-in box

"Three" Single Gang Carlon B114R Electrical Boxes, Each 14 Cubic Inch Box

Thomas & Betts SC100RR Carlon Single Gang Low Voltage Box

Carlon In-Use Weatherproof Single Gang Horizontal Cover Gray