Flow: Controls the entry of water into the pump, helping to maintain a consistent supply for smooth operation. Seal: The valve is designed to close and prevent backflow when the pump stops, reducing the risk of water draining back. Repair: Replaces a worn or leaking original valve, which is needed to fix issues with the pump losing prime or not holding water. Material: Made from materials that stand up to continuous contact with water, supporting a longer service life., Manufacturer: TXkSh