Thermaltake 4-Pack 1000mm Long V-Tubler PETG Hard Tubing, OD 16mm (5/8') x ID 12mm (1/2'), CL-W116-PL16TR-A

PETG Tubing for Computer Water Cooling Modding Includes 4 x 1000mm Length Tubes OD: 16mm / ID:12mm 100% PETG Crystal Clear Tube Thicker Wall Design Working temperature ranges from -4 F (-20 C) to 143.6 F (62 C). Non-Toxic Substance Free Material