Blue LCD Digital TDS Meter Tester Water Quality 0-9999 ppm Purity Filter Water Solids Measure Review
http://tinyurl.com/kpb4otl
Blue LCD Digital TDS Meter Tester Water Quality 0-9999 ppm Purity Filter Water Solids Measure
Convenient, efficient and accurate
LCD digital display, easy to read
Auto shut-off after 10 mintues' non-use
Long battery life
Provide a leather case