The Zurn Pex Street Elbow Adapter is a plumbing fitting designed for use in RVs, trailers, and campers. With a 1/2" FPT on one end and a 1/2" MPT on the other, this adapter allows for connecting various plumbing components in a seamless manner. The Zurn Pex brand ensures quality and reliability in the installation of this essential part for RV, trailer, and camper maintenance.