4'' Storz x 2-1/2'' NST(m) Rigid male

User-friendly Storz hydrant adapters provide a secure attachment for connecting hose to hydrants. A connection is made with a 1/4 turn and then locked into place with the built-in stainless steel locking lever. All swivels are attached using metal bearings for extended life. Available in sizes ranging from 2-1/2 to 6".