The Hayward SP0710XALL is a 1.5-inch VariFlo side-mount multiport valve designed for efficient pool filtration systems. This valve allows you to easily switch between six different functions, including filter, backwash, waste, rinse, closed, and recirculate, making it versatile for various pool maintenance tasks. It features an integral sight glass that indicates when the backwashing cycle is complete, ensuring optimal performance. The SP0710XALL is compatible with a wide range of pool filter systems and is constructed from durable materials to withstand demanding conditions.