Variety Box of 20 units,  5/ea 20 ml pack of pH4

A variety pack of 5 (each) 20 ml packs of all buffer, storage and TDS calibration solution for a healthy, accurate meters.

  • (5) KCl Storage Solution
  • (5) pH 7.0 Buffer solution
  • (5) pH 4.0 Buffer solution
  • (5) 1000 ppm NaCl Calibration Solution

 

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Variety Box of 20 units, 5/ea 20 ml pack of pH4

  • $25.00

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