Silicone rubber tube - will withstand repeated use and for visual inspection of fluids.
Size: 3X5mm(Inner Dia*Outer Dia); Length: 1M(3.3'); Wall Thickness: 1mm(0.04")
Operating Temperature: -76 to +428F; Hardness: 65 Degree
Good electrical and weather ability properties - resists u.V., ozone, gases, and moisture.
Silicone tubing - great for fluid handling, peristaltic pumps, siphoning, draining, aquaponics and water/oil change, etc.