NJTY 1PC Digital Refractometer, ±0.1% High Precision +0-40℃ Full Temperature Compensation + Fast Measurement + Automatic Calibration + Anti-Fouling And Easy To Clean, Suitable For Laboratory/Orchard/Agriculture
$28.77
-44%
Local1 Roll PH Strips 0 - 14 16.4ft Alkaline Indicator Meter Paper Roll Urine Saliva Soil Litmus Accurate Testing Measuring
$7.16
-47%
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