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Cast Iron, 2 in x 1 1/2 in Fitting Pipe Size, Concentric Reducer Coupling - 4KWF4|0306057506 - Grainger
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919243-9 Galvanized Malleable Iron Reducer Coupling, 3/4" x 1/4" Pipe Size, FNPT Connection Type | Imperial Supplies
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Megairon 38MM to 32MM 1.5" to 1.25" Tube OD Sanitary Concentric Reducer Coupling,Stainless Steel 316 Pipe Fitting - Amazon.com
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316L Stainless Steel, 1/2 in x 3/4 in Fitting Pipe Size, Concentric Reducer Coupling - 1RTA8|4381012400 - Grainger
304L Stainless Steel, 3 in x 4 in Fitting Pipe Size, Concentric Reducer Coupling - 1RTX3|4381016260 - Grainger
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