Aquasana AQ-PWFS-P-W 8-Cup Pitcher Powered Water Filtration System Powered Filtration never before available in a pitcher, professional grade performance for a fraction of the price, no plumbing installation required Ultra-fast filtration,traditional pitchers use gravity to slowly trickle water over filter granules,the Aquasana PWFS uses power to filter fast Filters over 4X more contaminants than Pur and over 10X more than Brita pitchers, Tested to remove 66 while Pur claims 13 and Brita claims 6 Longest Lasting Filter & Lowest Cost/Gallon, Aquasana Claryum filters deliver 8x the gallon capacity of the leading pitcher filter for half the price Ultra Delicious - the purest water you've ever tasted, Naturally occurring minerals are retained, leaving you with healthier, more delicious water