The Riviera Water Filtration Pitcher is designed to fit in your refrigerator door and has a capacity of 8 eight-ounce glasses. It's egonomically designed flip-top lid eases refilling. The filter change indicator reminds you the OB35 catridges need replacing and it meets or exceeds NSF/ANSI Standards 42 and 53. Replacement Brita cartridges can be found here.