Monitors, Meters & Controllers

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Glycerin Filled Pressure Gauge (1-100 PSI) + HM Digital TDS Meter + Tube Cutter

Pressure Gauge : Adequate PSI is crucial for correct operations for any reverse osmosis unit....

Save $3.04

Glycerin Filled Water Pressure Gauge Kit 2.5" Dial 1-100 PSI w/ Install parts

PRECISE: Adequate and accurate PSI tester is crucial for correct operation for any Reverse Osmosis...

HM Digital Dual Inline TDS Meter DM-1

The DM-1 helps you to measure the tap water coming in vs the purified water going...

SAL-1700 Salinity & Temperature Testing Pen

SAL-1700 Salt and Temperature Meter This Newly released SAL-1700 is ideal for measuring the salinity...