PI391 | Extension ring, length 4in., width 201.7in., depth 1-1/2in., capacity (cubic in) 21.0, knockout (in) 3/4 & 1/2 | DiversiTech End to End Distance_2.81IN This fan prop is engineered

This fan prop is engineered to deliver exceptional airflow distribution

Its 1 horsepower output delivers ample power for demanding applications

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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 End to End Distance_2.81IN This fan prop is engineeredDiversitech'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.