This fire hydrant adapter has 1-1/2" female NST (national standard thread) on one side and 3/4" male GHT (garden hose thread) on the other. This is a quality cast brass product. This adapter is used to connect fire hose to garden hose threads. We stock many configurations, if you have any questions please call (360)734-6330.
 
Warning: This product contains a chemical known to the state of California to cause birth defects or other reproductive harm. Do not use in connection with drinking water. Wash hands after handling.