Rabbit Watering System: The kit contains an adapter to the gravity water supply system, pipes, and nipples. The nipple is fixed to the cage wires with double springs, which is more firm and durable than a single spring. Clean Water: Small animals can drink clean water from the water nipples without overflowing automatically, saving time and workforce and improving feeding efficiency. Widely Used: Great for rabbits, but also suitable for daily drinking water feeding of small caged animals such as poultry, chinchillas, pigs, etc. Durable Materials: Our automatic rabbit drinking nipples are made of durable ABS and steel. We can use the anti-bite and anti-corrosion nipples for a long time. Package Includes: 6 metal drinking nipples; 12 fixing springs; 6 T-fittings; 16 feet Hose, Barb Fittings to G1/2" Thread Connector; 1 filter gasket;watering system bucket connector. Water Pipe:If the water pipe is not easy to connect with other accessories during use, you can use hot water to soften the water pipe, which will make the next work much easier.