Self-Aligning Double Male End Design: Engineered with a self-aligning double male end, this Pool Filter to Pump Connector ensures a quick, secure, and leak-free connection for your pool filter system. Specific Compatibility with Hayward Models: Designed to perfectly fit Hayward Pool Pump Parts models including EC301500, EC4075, EC4075UL, and more, ensuring optimal pump performance and system efficiency. Works with Hayward Star-Clear Series: Pool Filter Pump Connectors offers versatile compatibility with Hayward Star-Clear C-series and XStream pool & spa cartridge filters, expanding your installation options with ease. Premium 1 1/2-Inch Size: Crafted in a standard Pool Pump Union 1 1/2-inch size, this Pool Pump Connectors delivers a snug, reliable fit without unnecessary bulk or space concerns. Stylish & Durable Black Finish: Finished in sleek black, this fit Hayward Pool Pump Connectors not only blends well with your pool equipment but also resists wear and discoloration over time.