RAC Paws by RentACoop DIY Auto-Fill Metal Cups Waterer Kit - Great for Small Animals, Pets, Bunnies, Ferret, Chickens, Hamsters, Guinea Pigs, Rabbits, Chinchillas, Mice, Rats - 6 Pack

Auto-Fill Water Cups: Metal Cups automatically refill with fresh water every time your animals take a drink. It stops filling when the cups reach 3/4 full to avoid spillage and keep your animal cages dry. Chew-Proof Metal Cups: Unlike plastic cups that end up as chew toys, metal cups are less likely to damage and last longer. Works great for rabbits, guinea pigs, chinchillas, mice, rats, ferrets, hamsters, hedgehogs, and other small animals. Easy Installation: Metal drinking cup easily attaches to any container using a 3/8 drill bit. The System must be gravity-fed or have a pressure below 3PSI to work properly. Compatible with: 5-gallon buckets, PVC pipes of any size, 5/16"" ID and 7/16"" OD tubing - Not included, sold seperately. What's in the Box: Each DIY waterer kit includes six metal drinking cups with attached elbows, six washers, six wingnuts, six cage clips, and instructions