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The General Plastics B4148 is a 4 x 8 x 14 register boot box designed for HVAC applications. It features high-density polyethylene material for strength and durability. This register boot box is suitable for installations under slabs, in raised floors, and crawl spaces for heating and air conditioning systems.
Ideal for HVAC systems, the B4148 ensures effective air distribution. It is built to withstand temperatures up to 150 degrees Fahrenheit, making it suitable for various heating applications.
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