Hayward ECX4077B1 Check Valve
The Hayward ECX4077B1 Check Valve fits the Hayward Per flex and Regenx DE (diatomaceous earth) pool and spa filters. This is a factory original Hayward replacement part.
The Hayward ECX4077B1 Check Valve fits the Hayward Per flex and Regenx DE (diatomaceous earth) pool and spa filters. This is a factory original Hayward replacement part.