Leak-proof and robust pH probes for pH meters 205, 206-pH1 and 206-pH2, insensitive to contamination, with maintenance-free gel electrolyte and gel storage cap.
POA means "Price On Application". Items displaying POA instead of the sell price do so for a number of reasons, not least because we anticipate some additional information is required in order to supply the most suitable options/configuration to each individual customer.