En Sensors B Tfc Cs X V3Bykski Inline Flow Meter & Thermometer Safety Module (OLED V3) Real time insight into your cooling loop! This dual purpose module from Bykski displays both flow rate and coolant temperature live on a crisp OLED screen. It's the perfect monitoring tool for custom water cooling systems. Built with durable black POM housing, it ensures wide compatibility with coolants and integrates seamlessly into visually clean builds. While the flow direction is