Onegood Digital LCD TDS Meter Tester Water Filter PPM Purity Test Review
http://tinyurl.com/kkd6hv3
Onegood Digital LCD TDS Meter Tester Water Filter PPM Purity Test
Get the most out of your filtration system by knowing accurately when to change the filters for the best water possible!
Easy to read digital display
Auto shut-off
Data hold button
Power: 3 x 1.5V(AG-13 button battery) (Not included)
