Bell 5399-0 1-Gang Weatherproof Extension Adapter, Two 1/2 in. Threaded Outlets, Gray

Arlington Industries BES1 Non-Metallic Box Extender 1-Gang 5/8 Inch Extension, 3.336 Inch Width, White

Hubbell 55171K Extension ring for 4 In. Octagon Box, 2-1/8 in. Deep, 21 Cu. In., with Concentric, 1/2 & 3/4 in. KO (50-Pack)

Thomas & Betts BCOBEX 4IN ROUND BOX EXTENSION 1/2IN DEEP

Steel City 531711234 Square Extension Ring, 30.3 Cubic Inches, 4 Inch x 2-1/8 Inch, Steel

Arlington Industries BE3 Box Extender, levels and supports the wiring device where the box is set back from the wall surface extends the box up to an 1-1/2. 2 hour fire rating. three gang.

Arlington Industries BE2 Box Extender Plastic 2-Gang 1-1/2 Inch Fire Rated White

Thomas & Betts CICSB-1 COMMUNICATION SIDE 2 1/2IN DEEP BOX

Bell 5413-0 1-Gang Weatherproof Extension Adapter, Swing Arm, 2 Outlets, 3/4 Inch Threaded, Gray

Bell 5406-0 1-Gang Weatherproof Extension Ring, 1 in. Deep, No Ground Screws, Gray

Red Dot IHEF6S2-1 Flanged Extension Adapter, 1-7/8 Inch Deep, 1/2 Inch Hub Size, 6 Outlets

Pass & Seymour WPEX2 Weatherproof 2 Gang Extension Ring 4.5 Inch x 4.5 Inch x 1 Inch, Gray

Red Dot S121E-R-CN Universal Box Extension Adapter 1-3/8 Inch Deep, 4 Outlets, Aluminum Alloy