Material: Zinc Alloy Applicable Tube Inner Diameter: 8mm / 0.31 inches Overall Size: 50 x 20 x 66mm / 1.97 x 0.79 x 2.6 inches; T-Joint Size: 40 x 9 x 24mm / 1.57 x 0.35 x 0.94 inches Advantages: Made of excellent parts, it has high hardness, corrosion resistance, and bite resistance, is not easy to rust, and has a long service life. The inside of the water dispenser is smooth, allowing liquids to flow smoothly without sediment. It has an excellent water-stopping effect, preventing water leakage. This water dispenser can adjust the flow rate, save water, and effectively save watering time. How to Use: Insert the water dispenser into an 8mm hose. Water flows when the animal's mouth touches the strip and automatically closes when it is removed. Utility - A device for providing water to poultry, rabbits, hamsters, and other small animals. Note: Please check the size carefully before purchasing. Brand new