2019 Portable Digital Water Quality pH Tester Pen PH Meter Water Quality Test Pen PH-20W External Connection Electrode Tester
![2019 Portable Digital Water Quality pH Tester Pen PH Meter Water Quality Test Pen PH-20W External Connection Electrode Tester](http://ae01.alicdn.com/kf/H31a8fbfb774747ee9a883fe29a3bcf635/2019-Portable-Digital-Water-Quality-pH-Tester-Pen-PH-Meter-Water-Quality-Test-Pen-PH-20W.jpg_350x350.jpg)
sku: 4000805159439
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$94.05
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