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Amazon.com: 4" Stainless 90° Mandrel Bend Elbow - 1D Tight Radius - 16GA/.065" Wall - 2" Leg - SS304 - Stainless Bros : Industrial & Scientific
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1/4" BSP Female to Male Thread 304 Stainless Steel 90 Degree Elbow Connector Pipe Fitting water oil air - AliExpress
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