3PCS Brass Reducer 1/4″ NPT Female 1/4 x 3/8 NPT (ID x ID: 1/2″ x 5/8″) Adapter
3PCS Brass Reducer Adapter, 1/4″ NPT Female to 3/8″ NPT Female Thread, Hex Reducing Pipe Fitting Coupler Nipple Connector for Water/Oil/Gas. 【Solid Connection】Used to connect pipes with different sizes and different thread, or extending the pipe length.