warning: 14 M22 fitting has 14mm inner diameter, no 15mm. Not compatible with electric pressure washer from Sun Joe, Campbell, Mi-T-M, AR Blue, Ryobi, Greenworks, Cleanforce. Washer if needed 15mm, may cause leaks. Universal Pressure Washer Adapter Pack, Metric M22 14mm Male Thread + 1/4 Quick Disconnect Socket, 1/4 Plug + M22 14mm female swivel. Application: Quick Connect wand gun or nozzle. M22 male thread connection for pressure washer gun and Aquadea swivel wand connection. Replacement top couplers provide secure and quick couplings, easy to connect and disconnect. Max. is the pressure up to 5000 psi. Specifications: Metric M22 14mm Male Thread + 1 /4 Quick Disconnect Socket, 1/4 Plug + M22 14mm Female Swivel. Black Copper Color Quantity: 2 Application: Quick Connect gun for wand or nozzle. M22 male thread connection for pressure washer gun and Aquadea swivel wand connection. Replacement top couplers provide secure and quick couplings, easy to connect and disconnect. Max. is the pressure up to 5000 psi. Note: Pressure washer adapter set has 14mm fitting, no 15mm. Washer if needed 15mm, may cause leaks. Warranty: Package List: 1 x Pressure Washer Coupler: Metric M22 14mm Male Thread + 1/4 Quick Disconnect Socket. 1 x pressure washer coupler: 1/4 socket + M22 14mm female