304L Stainless Steel, 1 in x 1 1/2 in Fitting Pipe Size, Concentric Reducer Coupling - 1RRG9|4381009080 - Grainger
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Amazon.com: LOZOME 1-1/2" x 1" Female Reducer Reducing Coupling,Stainless Steel 304 NPT Female Threaded Cast Pipe Fitting,Nipple : Industrial & Scientific
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Value Collection - Pipe Reducer: 2 x 1-1/2″ Fitting, 316 Stainless Steel - 45269552 - MSC Industrial Supply
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Merit Brass - Pipe Reducer: 3/4 x 1/2″ Fitting, 316 Stainless Steel - 36901718 - MSC Industrial Supply
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Amazon.com: Beduan Stainless Steel Reducer Coupling, 3/4" x 1/2" Female NPT Reducing Cast Pipe Fitting : Industrial & Scientific
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