4 PCS Poultry Water Drinking Cups- Chicken Hen Plastic Automatic Drinker_x000D__x000D_Features:_x000D__x000D_1.Drinker/Fitting_x000D__x000D_combinations can be used to expand an existing watering system, or can be attached to a bucket or barrel to create an on-the-ground fed drinker._x000D__x000D_2.Backyard_x000D__x000D_Flock Drinker Cups are a way to provide always-fresh water to your flock. As a bird drinks, the spring-loaded tab is bumped, releasing more water into the cup._x000D__x000D_3. Filled Automatically when birds peck at the built in plunger._x000D__x000D_Specifications:_x000D__x000D_Condition:_x000D__x000D_Material:PVC_x000D__x000D_Color: Red_x000D__x000D_Outside Diametermeter:25mm_x000D__x000D_Suitable for: Poultry,Chicken Hen_x000D__x000D_Function: Automatically feed chicken water_x000D__x000D__x000D_1.A rigorous Quality inspection has been undertaken to ensure that this part confirms to product standards.._x000D__x000D_2.BYF Drinker Cups easily for side or bottom mounting._x000D__x000D__x000D__x000D_Package included:_x000D__x000D_4pcs Water Drinking Cups