Hanna Instruments GroLine 5000 µs/cm Conductivity Standard with Certificate, 230 mL Dechlorinators and Sediment Water Filters Wicking mats can be reused

Wicking mats can be reused or replaced as needed

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Hanna Instruments GroLine 5000 µs/cm Conductivity Standard with Certificate, 230 mL Dechlorinators and Sediment Water Filters Wicking mats can be reusedHI7039 023 is a GroLine 5,000 S cm conductivity standard that is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of conductivity standards have been specially formulated to have an expiration of 5 years