Hayward Perflex EC50C Flex Tube Nest (ECX1037) checkvalves A more system-matched testing product

A more system-matched testing product can help homeowners feel more confident that they are checking the right part of the water-care routine

and Max-E-Pro volute clamp ring is designed for compatible applications where the retention hardware around the volute needs replacement

4 inch face diameter

3-3/4 inch format with 2-3/8 inch hole size

Helps preserve configuration-specific switching logic

Hayward Perflex EC50C Flex Tube Nest (ECX1037) checkvalves A more system-matched testing productThe 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.