Keep your feathered friends happy with this Hanging Hummingbird Tube Water Feeder Choose from 40cm or 55cm  Transparent design ensures you can monitor the water level at a glance  Easy to install - just hang the feeder and adjust the hanging cords until level  Can be installed with shepherd's hooks Or mounted below a window with closet rod brackets Feeding ports are adequately spaced apart to allow for side-by-side feeding Length: 40/55cm  Buying Options:  5.99 pounds instead of 29.99 pounds for 40cm - save 80%  7.99 pounds instead of 34.99 pounds for 55cm - save 77%