This unloader valves is make of strong materials to withstand the rigor of high pressure cleaning, for enduring and stable : This unloader valves has a simple design, and users can quickly replace worn parts without the assistance of a professional Helps maintain consistent pressure levels for efficient cleaning and results on a variety of surfaces This unloader valves replaces 16030, 190627GS, 190594GS, 190593GS Suitable for many different brands and models This unloader valves is a solution for maintaining your pressure washer in top condition, Manufacturer: JDNH