General description Brass M22 14mm Male to M22 15mm Female Pressure Washer Connector is designed to connect M22 14mm female connectors to M22 15mm male guns, hoses, pressure washers, or accessories. Technical specifications Material: Brass Working pressure: Up to 4500 psi Usage Connects M22 14mm female connectors to M22 15mm male connectors. If there is a leak at the connection, waterproof tape can be used to eliminate the leak.