The films provide very good protection against evaporation and contamination due to the tight seal. The transparent PE films are used for PP sheets. Due to their good optical properties, they are suitable for qPCR and colorimetric assays.
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.