20 Pack Sodium Chloride(NaCl) EC/TDS Calibration Solution
(20) packets of 20 ml 1000ppm / 2mS / 2000 µS solution
HM Digital TDS 1000 ppm calibration solution – 20 packets of 20 ml
Original price was: $23.96.$19.12Current price is: $19.12.
Sale!38 in stock
