PUR’s pitchers are standalone filters that use gravity filtration to little by little remove contaminants from water. IFilterFactory could be applied applying custom attribute implementations as another method of creating filters: Reverse osmosis (RO) is the whole process of taking away dissolved inorganic solids (which include magnesium and calcium https://alkaline-water-bag24567.blogdon.net/water-pitcher-filters-for-dummies-29760532