K-T Industrie's 3/8" Female NPT 4200 PSI Pressure Washer Quick Coupler Plug offers a durable and reliable solution for high-pressure connections, constructed from plated steel for long-lasting performance. Designed for use with quick couplers, it allows fast and effortless swapping of spray nozzles and spray guns in applications where connections are frequently assembled and disassembled. Compatible with all of the most common pressure washer equipment in the industry and rated for up to 4, 200 PSI, this quick connect plug ensures professional-grade reliability for demanding cleaning tasks. | K-T Industries 3/8" Female NPT 4200 PSI Pressure Washer Quick Coupler Plug