pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 250 mL (8.4 fl oz) — NIST Traceable Reference Standards for All pH Meters

R 830
or 4 x payments of R207.50 with Payflex

Availability: Currently in Stock
Delivery: 10-20 working days

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