HM Digital TRM-1 Triple Inline TDS Monitor - 3-Sensor Water Quality Meter replacement ORP electrode Replace every 4 months or

Replace every 4 months or after filtering 1

it only lets clean water out

easy-to-read results with large digital LCD readout

Calibration: Factory calibrated at 342 ppm NaCl

Alexapure Breeze Pre-Filter Features:

HM Digital TRM-1 Triple Inline TDS Monitor - 3-Sensor Water Quality Meter replacement ORP electrode Replace every 4 months orThree sensor TDS monitor that is ideal for checking TDS levels at 3 points, such as with DI RO (deionization reverse osmosis), or multiple points in an RO system, and more. FEATURES Displays TDS levels of the three sensing points with electrode probes. Highly efficient and accurate due to its advanced microprocessor technology. Auto Off function conserves battery power. The unit shuts off automatically after 10 minutes of non use. Dual Range 0 9990