3/8″ Quick Connect NPT Male Adapter Pressure Washer Fitting Stainless Steel by | Jul 31, 2026(10PCS 3/8” quick connect plug to 3/8” NPT male thread and 3/8” quick connect socket to 3/8” NPT male thread). Upgraded material: Pressure washer adapter set is made of stainless steel. High quality and hardness.