The Garvin Industries 4" Round Extension (WRB450EXT) is a durable and versatile solution for expanding the cubic capacity of electrical boxes while ensuring a flush finish. Designed for demanding environments, this extension ring is a key component in Southwire's lineup of weatherproof electrical accessories.

Key Features and Benefits

• Corrosion-resistant die cast copper-free aluminum for long-lasting performance
• 1/2" threaded hub for easy conduit connections
• UL listed for wet locations and NEMA 3R compliant
• Expands box capacity and allows for a flush finish
• Includes installation instructions for quick setup

Specifications

• Size: 4" round
• Holes: 4
• Threaded Hub: 1/2"
• Material: Copper-free aluminum
• Dimensions: 4.31" diameter x 1.58" depth
• UL Listed, NEMA 3R compliant

Common Uses

Ideal for use in wet locations, outdoor electrical installations, and anywhere additional box capacity or a flush finish is needed.