The Hayward Perflex W/Clamp Modular Filter W3EC40AC is a high-performance filtration system designed for swimming pools. With its advanced technology and durable construction, it provides excellent water clarity and ensures a clean and safe swimming environment. The filter features a unique Flex-Tube design that allows for superior dirt trapping and easy cleaning. It also includes a self-venting system that eliminates air build-up and ensures efficient operation. The modular design of the filter makes it easy to install and maintain. With its reliable performance and convenient features, the Hayward Perflex W/Clamp Modular Filter is a top choice for pool owners seeking efficient and effective filtration.