brand new PrimoChill PrimoFlex Advanced LRT Flexible Water Cooling Tubing Kit in Crystal Clear (SKU: PFLEXA10-58)[cite: 31, 32, 33]. This kit includes 10 feet of 3/8" ID x 5/8" OD flexible tubing along with 15ml bottles of SysPrep cooling loop pre-treatment and Utopia algae/corrosion protectant. Made in the USA, this non-toxic tubing features low-radius bend technology to resist kinking and crystal-clear transparency for custom PC liquid cooling loops. The item is new in its original retail packaging and will ship out fast and securely