... according to different temperature 2,filled with mineral balls . Aromatic cartridge option Aroma shower headMaterialTransparent PC case, tourmaline ceramic ball, germanium ... different option for our clients:1)Shower with mineral ball cartridge 2)Shower + Aromatic fillter3)LED Shower with mineral balls or ... let us know. 2012 aroma shower head with mineral balls cartridge,LED Shower head