uxcell PVC Barb Hose Fitting Connector Adapter 12mm or 15/32" Barbed x G1/2 Male Pipe 2pcs - - Amazon.com
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Amazon.com: uxcell Clear Rigid Storage Tubing with White Lids 30mm(1.18'') ID x 32mm(1.26'') OD x 0.82Ft Length Round Plastic Polycarbonate Tube : Industrial & Scientific