3 IN 1 Digital Portable Pen Water Quality Tester TDS & EC Temperature (Meter Hold) Conductivity Water Filter Purity Pen Digital Portable Filter Tool TDS Range 0-9990ppm (With Battery)

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Specification of 3 IN 1 DigitalPortable Pen Water Quality Tester TDS & EC Temperature (Meter Hold)Conductivity Water Filter Purity Pen Digital

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