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20/25/32mm HDPE PE PVC Pipe Compression Fittings 1/2" 3/4" 1" Thread Irrigation Watering System Elbow Locked Coupling - AliExpress
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Amazon.com: Watts ANKA (ARSC112) 1" x 1/2" High Pressure Poly-Pipe Reducing Straight Coupling Insert, Fitting : Industrial & Scientific
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