What are the differences between BWT net kettle's four new filter elements?

Magnesium ion patented filter element: filter impurities, scale, heavy metals and chlorine, and the patented technology adds mineral magnesium. Descaling filter element, descaling ability relative to

With the improvement of European version, impurities and heavy metals can also be removed; Zinc-magnesium growth filter, in view of the current situation of zinc deficiency in children, adds more zinc than magnesium ion patent filter, so that drinking water can supplement zinc like eating food; Alkaline impurities, heavy metals, chlorine and scale can be removed and the PH value of water can be adjusted to about 8.0.