Aquasana Powered Water Filtration System (Cobalt Blue) 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