7 (700 ppm) Temperature Range 0

Replacing your Seychelle filter is quick and simple:

Just hang from elevation (e

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Replacement Parts & Accessories

Hanna 1413 µS/cm Conductivity Standard 500mL Bottle - HI7031L free chlorine 0-5 ppm 7 (700 ppm) Temperature RangeHI7031L is a premium quality 1,413 S cm conductivity standard that is prepared against a NIST traceable potassium chloride solution. 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 from the date of manufacture for an