4 Quick Connectors: Made of high-quality impact-resistant ABS plastic and soft rubber, it is sturdy and durable, and feels comfortable. The quick connector is suitable for DN15 1/2" hose (outer diameter 16mm), specially designed for male connection. It can be securely attached in seconds and can be removed simply by pulling down. 2 2-in-1 Faucet Adapters: The faucet has two parts. When both parts are intact, the connector can be attached to a 1/2" faucet. After unscrewing the top screw, the connector will be inserted into a 3/4" faucet (the faucet must have an external thread). Double Male Hose Connector & 3/4" Male Thread Adapter: Double male hose connector for 1/2" diameter hoses, 1/2" quick connector; 3/4" BSP male connector, 1 Repair Connector & 1 Y Splitter: Repair connector to repair a damaged standard 1/2" hose by joining two pieces of hose together; split a water flow into two different directions, connected with 3 female connectors, to split a hose at any point. Spare Parts