Hayward Perflex EC50C Flex Tube Nest (ECX1037) checkvalves using the intended product helps

using the intended product helps support proper operation

The SPX1500L is a practical replacement for compatible Hayward pump systems that need renewed impeller performance and cleaner long-term operation

Designed for compatible pool plaster cleaner applications

4 inch face diameter

Hayward Perflex EC50C Flex Tube Nest (ECX1037) checkvalves using the intended product helpsThe Hayward Perflex flex tube nest is designed for compatible EC50C DE filter applications where the internal filter tube assembly needs replacement. A flex tube nest is useful because it supports DE filtration by providing the internal structure that traps fine particles and helps maintain cleaner pool water. This replacement is especially useful when the original tube nest is torn, damaged, clogged beyond cleaning, or no longer filtering correctly.