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PI391 | Extension ring, length 4in., width 201.7in., depth 1-1/2in., capacity (cubic in) 21.0, knockout (in) 3/4 & 1/2 | DiversiTech

Brand: DiversiTechSKU: PI391

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Overview Details for PI391

Diversitech's Extension Ring (PI391) is a 4x4x1-1/2 inch extension for compatible HVAC systems. This extension ring offers a sturdy construction and efficient performance, making it a reliable addition to industrial and commercial applications. With its compact design, it can easily fit into tight spaces, ensuring seamless integration with existing equipment. The Devco® PI391 Extension Rings, 4 in. length, 4 in. width, 1-1/2 in. depth, 21.0 cubic in. capacity, 3/4 and 1/2 cubic in. knockout are used when extra cubic inch capacity is needed for additional wiring. Galvanized steel.