| Brand | Unbranded |
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Check the listing for details. Water tester. Condition: Used. Listed at 2.99 USD. KALWNIA 4-in-1 TDS Meter Digital Water Tester – 0-9990 ppm, EC, Temp (°C/°F), ATC, Backlit LCD for Drinking Water, Aquariums, Hydroponics, Pools, Portable with Case
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