Genuine Merrill G-6 brass threaded hose adapter. This adapter is designed to thread onto the internal pipe thread on the spout of the Merrill Anyflow hydrants, C-1000, E5000, G4000, R6000, Y1, Y2, W5000, and WC1000 hydrants. It will adapt from the inner pipe thread to an external standard hose thread, allowing to connect a hose onto the hydrant.