To keep your water tasting and smelling great consider installing the GE Reverse Osmosis Water Filtration System. This water filter is installed under your sink for a discreet appearance and filters up to 11 Gal. of water daily. The reverse osmosis membrane helps reduce microscopic contaminants such as arsenic, lead and ammonia, for better tasting water for drinking and cooking. The filter indicator reminds you when to replace the filter.