Comparable with M22 14mm fitting. Working Pressure up to 5,000 PSI and Max Temp is 300F. Convert the M22 thread-on couplings to a 3/8 inch quick connector. Apply on universal gun, hose and pump connection. Provides secure and quick fittings. Our team of professionals is constantly working to make you more efficient and safer to clean. We are confident in the quality of our product. Click BUY IT NOW and ENJOY QUALITY OF . are committed to developing more efficient and safer pressure washer accessory, helping people reducing the tiredness of spraying and cleaning in the garden. We are known for amazing pressure washer accessory, such as nozzle, wand, gun, coupler, foam cannon. Feather1. Size: M22 14mm female swivel + 3/8 quick connect socket. 2. Offer secure and quick fittings.3. Working pressure is up to 5000 PSI.4. Material: brass.