uxcell Silicone Tubing, 1/2"(12mm) ID x 11/16"(18mm) OD 3.3ft Silicone Rubber Tube Air Hose Water Pipe for Pump Transfer Black: Amazon.com: Industrial & Scientific
Amazon.com: Brother Printable 2:1 Heat Shrink Tubing 5.8Mm x 1.5M (0.23In x 4.9Ft) Black On White HSE211 : Electronics