Automatic chicken waterer compatible with your .chicken waterer cups a constant supply of drinking water to your flock.Use cups to make a 5 gallon chicken waterer or fit to any container.The best bird kit compatible with your pet.Chicken, duck, goose, turkey, quail or rabbit they love .3inch diameter allows chicken to dip their wattles and ducks their beaks in the water.Easy cleaning chicken water simply use a 3/8inch drill bit to create holes.chicken automatic cups can also be installed with 5/16ID+7/16OD tube.The perfect chicken automatic waterer system.Perfect compatible with a low pressure set up either attach directly to a bucket or use a pressure regulator or float valve (3 max pressure) Superior in design to chicken nipple waterer.chicken cup poultry has a bowl size and automatically refill your will love this addition to your .color:Blue Material:plastic size:3.5 x 5 x 8.5cm Package Contents: 10 x Chicken drinking device Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real .The measurement allowed is +/- 1-3cm.