ORP-BL Pen Type Digital Water Tester ORP Test Pen Oxidation Reduction Potential Tester External/Built-in Electrode
![ORP-BL Pen Type Digital Water Tester ORP Test Pen Oxidation Reduction Potential Tester External/Built-in Electrode](http://ae04.alicdn.com/kf/H08a3b5897e0b4b4e853593081b6ccaf7z.jpg)
sku: 4001267265211
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$35.65
Shipping from: China
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