Clear Silicone Tubing, 3/8"(9mm) ID 1/2"(13mm) OD 8ft, Flexible Silicone Tube
$20.49
Size: 3/8"(9mm) x 1/2"(13mm) (I.D.xO.D.); Length: 2.5m / 8ft Color: Clear; Operating Temperature: -76°F to +392°F Silicone Rubber Tubing - will withstand repeated use and for visual inspection of fluids.