2 Pack Easy Lock Brass Hose Barb Fitting Connector 3/8″ Push-Lock x 1/4″ MNPT
1/4″ MNPT Threaded End Provides a standard 1/4″ Male NPT (MNPT) connection, one of the most common sizes in the air compressor industry. Threaded End Size: 1/4″ Male NPT (MNPT). Do not use lubricants other than dish soap, as this can lead to fitting failure.