Thermaltake Pacific TF2 Temperature and Flow Indicator is a 2-in-1 design, the indicator detects coolant temperatures ranging from 0°C to 99°C (32°F -210°F) and displays the value in Celsius or Fahrenheit. The indicator Features temperature and low-flow warning alerts, and is compatible with any G1/4 fittings for easy installation. The TF2 grants the ability to track temperature and flow operating ranges granting total control for your water loops.