Can remove about 15X more water contaminants. Company claims to remove about 95% mercury, 99% cysts, lead asbestos and 97% of chlorine and chloramine. Make sure you get 600 gallons of water for 6 months, water which has no additives, no chemical and is tasty drinking water and healthy in all respects. Reduce you costs of buying single use bottled water and help save the environment. The Aquasana Water filtration system is easy replacement without much hassle. This claryum water filtration system is 3 stage so use this water for kitchen purposes and drink straight from the dedicated tap meant for this filter.