Portable Digital LCD PH Meter Pen of high precision PH acidity meter PH monitoring instrument water quality testing equipment
![Portable Digital LCD PH Meter Pen of high precision PH acidity meter PH monitoring instrument water quality testing equipment](http://ae04.alicdn.com/kf/H44a739e236b649758416fc5a4f43097ad.jpg)
sku: 4000782211414
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$4.93
Shipping from: China
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