Amazon.com: 3/8" ID 1/2" OD Clear Vinyl Tubing – 100 Feet, 60 PSI, Flexible Plastic Tubing, BPA Free and Non-Toxic, Multipurpose Soft Tube Comes with 2 Hose Clamps : Industrial & Scientific
1 Inch Rubber End Caps Round Rubber Caps Plug Insert Decking Caps Black Rubber Tips PVC Flexible Vacuum Caps Plastic End Caps for Pipe Tube Pack of 12 - Amazon.com