Premium hose connectors are accessories used to connect hoses. Hose Fitting Connector Typically made of metal or plastic with a threaded or quick-connect design, Premium Hose Connector is used to connect hoses to other equipment or pipes. Hose metal connectors provide seals and connections to ensure the flow of liquids or gases in piping systems. Flexible pipe joints are widely used in industry, construction, agriculture, automobiles and other fields. Common Union For Flexible Pipe types include threaded connectors, quick connectors, elbow connectors, etc.