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Cole-Parmer VapLock™ Fitting, Polypropylene, Straight, Hose Barb to Threaded Adapter, 5/16" ID x 1/4" NPT(M); 10/PK from Cole-Parmer United Kingdom
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Stainless Steel Hose Connector, 1/4 in. Male NPT, 5/16 in. Hose ID | End Connections | Flexible Tubing | Hoses and Flexible Tubing | All Products | Swagelok
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LTWFITTING 5/16 in. ID Hose Barb x 1/4 in. MIP Lead Free Brass Adapter Fitting (5-Pack) HFLF39185405 - The Home Depot
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