True high-flow design: both ends with G1/4 thread and five fan blades design, the indicator can be used for any standard fitting. The PMMA cover allows users to directly see through the flow indicator Changeable flow direction: users can freely change the flow direction of the pacific flow indicator one either clockwise or counterclockwise. Plug and play design: No additional tools needed and ready to work in Seconds. Non-restrictive flow design Ideal for transparent coolants Stay safe with proper flow rate with the Thermaltake Pacific flow indicator one. Five-blade design provides ideal visual to CHECK coolant flow throughout the LCS system. The Pacific flow indicator one is compatible with any standard G1/4 fitting on each end and is manufactured from High quality POM and PMMA Material to provide a crystal clear, High performance, and durable liquid cooling monitoring solution. 2 Year Warranty.