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JB Industries offers the QC-S5, a high-quality 5/16 QC x 1/4 SAE coupler. This product is crafted in Aurora, Illinois, using premium brass materials, ensuring both durability and resistance to corrosion. The coupler is designed for reliable performance in HVAC systems and other refrigeration applications.
The JB QC-S5 provides excellent sealing and includes a valve core for added functionality.
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