The 3/8"-18 NPTF Plug (Female) is an essential accessory for your pressure washer. With no internal valves, it allows for maximum flow with minimum pressure drop. This plug can withstand extreme temperatures ranging from -40F to 250F, making it perfect for any environment. Each pack includes one plug, ensuring you have everything you need to keep your pressure washer running smoothly. Trust this reliable and durable plug to get the job done.