FORMUFIT F1123WE-WH-4 3-Way Elbow PVC Fitting, Furniture Grade, 1-1/2" Size, White (Pack of 4): Amazon.com: Industrial & Scientific
Amazon.com: Extruded Acrylic Rigid Round Tube, Clear, 1/8" ID x 1/4" OD x 72" L (Pack of 12) : Industrial & Scientific
Amazon.com: 1" ID x 10 Ft High Pressure Braided Clear PVC Vinyl Tubing Flexible Vinyl Tube, Heavy Duty Reinforced Vinyl Hose Tubing, BPA Free and Non Toxic : Patio, Lawn & Garden
DIY Battery Pack PVC Heat Shrink Wrap Tube Width 400±5MM Length 3M for Big