With the EK-Loop Leak Tester Flex from EK Water Blocks, accidents due to a leaking water cooling system are a thing of the past. Traditionally, leaks were only discovered after some time and only after filling the system. With the EK-Loop Leak Tester Flex, you take a safe approach. This not only keeps your hardware dry but also your eyes. Technical details: Main color: Black, Accent colors: Gold, Gray, Silver.