DAFI Water Filter for Water Filter Bottles, Activated Carbon Filter, 2 Cartridges + 1 Cap [Japan Specification, Official Japanese Product] (Sky Blue)

[Dimensions] 2.4cm W x 2.4cm D x 8.2cm H [Country of Origin] Poland [Materials] Activated carbon (cartridge), PP (filter cover), PE (cap) [Weight] Filter cover: 11g, Cap: 15g [Cartridge Replacement Guide] To maintain high filtering performance, we recommend replacing the filter every four weeks.