20 sets of Metal Rabbit Nipples

20 set of Metal Nipples includes 20 Tee's and 20 mounting springs (CM1) Features Ideal for Rabbits, Ferrets, Chinchilla and other small Mammals. Does not require a drip cup. Can be used with a variety of wire cages Very easy and quick to assemble Built-In cage clip that will hold tight to almost any wire cage. Built-In Adjustable spring valve, uses 5mm allen key to adjust Specifications uses 5/16" Inside Diameter Tubing 360 degree Metal nipple Material: Metal Be sure to install the "Flared Out" part of the nipple on the bottom side This type of nipple is great for low pressure or gravity fed watering systems water pressure should be kept under 12 PSI.