Aquasana 2-Stage Under Sink Water Filter System with Brushed Nickel Faucet Removes up to 99% of 77 contaminants including lead, mercury, asbestos, herbicides, pesticides, pharmaceuticals, and more Nothing added and zero waste - no water is wasted and no harmful contaminants are added to your water during filtration Only 10 cents per gallon - 12 times the capacity of the leading gravity pitcher. Healthy, clean water for less Retains the healthy minerals - Claryum filtration keeps calcium, potassium, and magnesium for the healthiest drinking water Stylish all metal faucet included in the finish of your choice to match your kitchen decor - 100% lead free Includes first set of filters and all parts required for DIY installation - no plumber required Full system NSF certified to standards 42, 53, 401 +P473 - will not leach contaminants back into your water