That is a make a difference of non-public preference, the House you have out there, along with the contaminants you wish to remove from your water. If You are looking especially for a filter capable of fluoride removal, the RKIN AlcaPure is Just about the most successful reverse osmosis filters. https://ph-balancing-water-filter12333.goabroadblog.com/21783195/facts-about-shower-filter-fluoride-revealed