Photo 1 of LuoLeiNa Digital TDS Meter, Ideal Water Quality Tester for Drinking Water, 0-9990 ppm, EC & Temperature Meter 3 in 1 (Set of 2)

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Photo 1 of LuoLeiNa Digital TDS Meter, Ideal Water Quality Tester for Drinking Water, 0-9990 ppm, EC & Temperature Meter 3 in 1 (Set of 2)