Keep chickens and game birds from roosting on their water bowls, preventing debris from getting into water. Fits the Little Giant King-Size Automatic Poultry Fount and the Little Giant Automatic Game-Bird Fount. Easily attaches to top of the fount with no extra hardware needed. For Little Giant® models: 2500, 2525, 2550 Automatic Poultry & Game Bird Founts.