The Garvin Industries 4" Square Plenum Extension Ring, 1-1/2" Deep, is a versatile and reliable solution for extending electrical box capacity in plenum spaces. Its drawn construction with airtight conduit knockouts ensures durability and compliance with plenum requirements, while bottom mounting slots make installation quick and hassle-free. This extension ring is ideal for use in commercial, industrial, and residential settings where plenum-rated fittings are essential.

Key Features and Benefits

• Drawn construction for enhanced strength and durability
• Airtight knockouts help maintain plenum integrity
• Bottom mounting slots enable fast installation onto existing boxes
• Compatible with Garvin's 53C1-VT Plenum Sealing Ring (ordered separately)
• UL, CUL, and RoHS compliant for safety and environmental standards

Specifications

• Size: 4" square
• Depth: 1-1/2"
• Construction: Drawn steel
• Knockouts: Conduit KO's, airtight

Common Uses

Ideal for extending box capacity in plenum spaces in commercial, industrial, and residential buildings, especially where code compliance and airtight performance are required.