Automatic water feeders can be used for rabbits, rats, ferrets and other small animals.

10 - 1/8" MPT Threaded solid Brass Nipples

The (SE2) Water Drinking Nipple is a popular valve for use with mice, rats, gerbils, hamsters, birds and larger Rodents such as Rabbits, Ferrets, and Chinchilla's because it is so easy to activate. The flow-rate of water from the valve can be adjusted by twisting the valve cap clockwise to decrease flow or counter-clockwise to increase the flow-rate This model has a 1/8" MPT for use with PVC Pipe.  The valve is made of solid brass, with a stainless steel stem, and rugged elastomer seal and diaphragm