PVC 90° Elbow Reducing Pipe Fitting Reducer Socket Coupling I.D. 20mm to 110mm. Size(Big ID Small ID)：25 20mm 32 20mm 32 25mm 40 20mm 40 25mm 40 32mm 50 20mm 50 25mm 50 32mm 50 40mm 63 25mm 63 32mm 63 40mm 63 50mm 75 32mm 75 40mm 75 50mm 75 63mm.
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