Gentaur pH Buffer Capsule Kit at 25°C, containing 20 pH 4.01, 20 pH 7.00 and 10 pH 9.00 Capsules - 50capsules

Ready-to-use Reagecon pH buffer capsules kit for calibration at 25°C, includes capsules for pH 4.01, 7.00, and 9.00, ensures accurate pH meter calibration.