Lixit Quick Lock Flip Top Water Tank theratshop.com - $8.00 Product Description: Heavy duty, high capacity water tank with no-drip valve for rabbits, ferrets, guinea pigs, and small dogs. Removable top with wide opening for easy cleaning. No need to remove bottle from cage to refill. New patented valve cannot be pushed up inside the tube. Heavy duty quick lock bracket attaches to any horizontal or vertical wire cage. Machina's Review: In my opinion, this is the best water bottle I have ever had. It really is non-drip and its super convenient!!! I'd give it the max number of rattie paws!!