Retained samples must be always secured against falsification and ambiguity in identification. Bottles with sealing eyelets can be secured with SampleSafe seals.
Clear identification via numbers in sequence
Protection against manipulation by stainless steel safety spring
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.