1st cartridge: Royal DOULTON ceramic filter (filters up to 99.9% of bacteria)
2nd cartridge: Mineral Energy Filter (consists of 3 types of energy minerals produced in Japan - gem stones, tourmaline and Shirakawa stone)
3rd cartridge: Japanese Fibre Active Carbon Filter (removes heavy metals e.g. lead, toxic organic chemicals and chlorine, and inhibits bacteria growth)
Exterior: stainless steel; whole-body seamless cartridge.
Dimensions (L x W x H): 262 x 120 x 328 mm