HM Digital PS-200 Commercial Dual Inline TDS Controller
Install the Dual TDS Controller to constantly monitor TDS levels of water produced by a high-output system. Immediately know if the TDS levels rise above an acceptable level. FEATURES: - Monitors and controls TDS levels of two water lines (e.g., feed watePrice: $299.00Category: Building, Hardware & Tools, Measuring Instruments, Measuring Instruments Accessories
giving makers the edge
more info                           
Vectron Mini Wetcover more info