Product · United States

YY-400H Digital Hydrogen Ion Concentration Meter Water Quality Tester Hydrogen Water H⁺ Meter and Thermometer for Drinking Water

Product no longer available. The stores we track no longer sell it; last price seen $18.88.

Price history: 2 daily prices tracked since 2026-10-18; lowest $18.88, highest $18.88.

YY-400H Digital Hydrogen Ion Concentration Meter Water Quality Tester Hydrogen Water H⁺ Meter and Thermometer for Drinking Water

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