NU Aqua 600GPD Tankless Reverse Osmosis System - 2:1 Efficiency Under Sink Water Filter 877267000193 M10442 is a lab grade

M10442 is a lab grade 1500 ppm TDS solution standard prepared against a NIST traceable potassium chloride solution that allows you to recalibrate your meter or tester

The Milwaukee pH58 MAX is a professional-grade

Universal BNC Connector: Quick-connect BNC fitting ensures tight

making it a cost-effective solution for long-term use

2 Triple A (AAA) batteries

NU Aqua 600GPD Tankless Reverse Osmosis System - 2:1 Efficiency Under Sink Water Filter 877267000193 M10442 is a lab grade600GPD Tankless System 1 2 Stages PP + CB (Polypropylene) Sediment Filter and Carbon Block Removes: dirt sand dust rust debris chlorine VOCs pesticides Taste Odor 3 Stage Reverse Osmosis Membrane 600GPD Membrane Removes: Salts Organic Matter Heavy Metals Fluoride Nitrates Chlorine Copper Chromium Lead Arsenic Radium Sulfate Calcium Magnesium Phosphorus No plumber needed, easy installation! Enjoy clean drinking water at home without being a plumbing