Our 3/8" NPTF x 22MM-1.5 F Thread Swiveling Coupler, perfect for your pressure washing needs. With a maximum pressure of 3650 PSI and a flow rate of 7.8 GPM, this coupler is built to handle tough jobs. Made of sturdy brass, it can withstand temperatures up to 300F (149C). The swivel female thread allows for easy connection to your pressure washer wand or hose. Each pack contains one coupler, ensuring you have the necessary equipment to get the job done right.