Description: This 21 Century set combines several options (Ultra, Biofilter, different strengths, etc.). The main distinguishing feature is a modern design with technological elements and bright colors.
The set is not an official set, but represents a full variation of the line. Such packages were focused on the image of "modernity" and innovation.
The set is interesting in that it offers many different design and strength options, therefore it has a collectible and representative character.
Historical data: „"21 Vek" was created as a modern brand, emphasizing filtration technologies (e.g. biofilter). The design reflected the image of the new generation.
