Pen Plax BA305 Vertical Bar 2 Week Waterer for Small Birds The bird waterier has a narrow bottom which allows less seed to be accessible to the bird at one time lowering the amount of wasted food Bird waterier fits in between the wired bird cages to stay securely attached Small Bird, waterier holds 2 weeks worth of water Dimensions: 1.5"L x 3.25"W x 5"H Cubes: 0.0008. Weight: 0.1600 lbs