This Johnson Pump/Mayfair 189-09821BT1 impeller is a 10-24413-02 pump. This pump is designed to provide high flow rates and high pressure capabilities. This pump is made from durable materials that will last for years. This pump is perfect for use in a variety of applications. This Johnson Pump/Mayfair 189-09821BT1 impeller is a 10-24413-02 pump. This pump is designed to provide high flow rates and high pressure capabilities. This pump is made from durable materials that will last for years. This pump is perfect for use in a variety of applications.