CARPATHEN 5/16 Drip Irrigation Tubing - Mainline - (.40" OD x .32" ID) 100 ft black PVC Water Line
Amazon.com: 1 Foot Long plastic plexiglass tubes, Clear acrylic PVC pipe transparent for 3 inch PVC fittings, 3 1/2 inch 89mm diameter tube, 1/10 inch thick tubing : Industrial & Scientific
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PVC Telescopic Tube 300-500 mm Diameter 100 mm (1805) : Amazon.de: DIY & Tools
Amazon.com: POWERTEC 70272-P4 Clear Pipe, 4-Inch x 36-Inch Long, Rigid Plastic Tubing, 4 PK : Tools & Home Improvement