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Free Chlorine Standards Check Meter Calibration
Use these certified Free Chlorine Standards to easily check the calibration of your HANNA Chlorine/pH Meter (No. 221854), sold separately. Standards come in sealed cuvets. 1mg/L. Pkg. of 4.
Item #:95065
Mfr. Model #:HI93701-11
In stock!
$78.50

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HANNA® Free Chlorine Standards, 1mg/L, Pkg. of 4

Free Chlorine Standards Check Meter Calibration

Use these certified Free Chlorine Standards to easily check the calibration of your HANNA Chlorine/pH Meter (No. 221854), sold separately. Standards come in sealed cuvets. 1mg/L. Pkg. of 4.

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