For durability and a lifetime of use, serious homebrewers choose stainless.

This Stainless Nipple - 1/2'' x 1" Threaded has many uses around the brewhouse whether you're constructing your custom setup, or just acting on your next great idea. Perfect for connecting a 1/2'' ball valve to a union. The close nipple design means that there is no space between the threads at the center of the nipple.