pH Filling Solution (for PHC301), 3M KCl, saturated with AgCl. 30mL.

9x50mm Suitable for 47 mm membrane filters Polystyrene, presterilized and disposable Double rim ensures tight seal An area of the lid is frosted for identification 500/pack

Potassium Chloride Solution, 50% saturated, for use in Dissolved Oxygen probe, Model 16359. 25 mL self-contained dropping bottle Platform: Solution

Internal filling solution for use with PHC281 IntelliCAL™ Ultra pH Probes. 59 mL bottle with dispenser cap.