 That have no taste, odor, or color and are virtually undetectable in your water. It's time you called Advanced Water Systems and find out exactly what's in your home water. Advanced Water Systems will do a free in-home water analysis that takes about a half hour and they'll talk to you about your home's water supply. Installing a Kinetico K5 drinking station offers your family protection and peace of mind knowing it's NSF certified and has the highest level of contaminant reduction of any system on the market.