1.75-quart capacity. Aspects' Quick-Clean Nyjer Tubes combine heavy, die cast metal caps and bases with a clear, UV stabilized, polycarbonate tube to make these feeders an investment that lasts a lifetime. A built in seed deflector in the base allows birds to remove every last seed! These new feeders feature a revolutionary, removable base. To remove the base just push its two buttons and the it slides easily out. With a seed tray attached, you can remove the base and leave the tray! One easy step for quick cleaning! This feeder has a blue cap and base, 10 feeding stations, is 2.75 inches in diameter, and holds 1.75 quarts of nyjer seed!