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SharkBite 1/2-inx 3/8-in (1/2-in O.D.) PEX Crimp Brass Reducing Coupling in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com
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LTWFITTING 1/2 in. FIP x 3/8 in. FIP Brass Pipe Reducing Coupling Fitting (25-Pack) HF98R8625 - The Home Depot
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Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 304 Stainless Steel - 36900439 - MSC Industrial Supply
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Southland 1/2 in. x 3/8 in. Black Malleable Iron FPT x FPT Reducing Coupling FItting 521-332HN - The Home Depot
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Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 316 Stainless Steel - 36901692 - MSC Industrial Supply
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Merit Brass - Brass Pipe Reducing Coupling: 1/2 x 3/8″ Fitting, Threaded, FNPT x FNPT, Class 125 - 02208973 - MSC Industrial Supply
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Everbilt 1/2 in. x 3/8 in. Copper Pressure Fitting x Cup Reducer Fitting C600HD21238 - The Home Depot
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1/2" NPT Female to 3/8" NPT Female Brass Pipe Reducing/Reducer Coupling: Industrial Pipe Fittings: Amazon.com: Industrial & Scientific
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