Rotor for Waterco MPV S600 S700 T400 T600 Sand FiltersThis Rotor for Waterco MPV S600 S700 T400 T600 Sand Filters is the dependable replacement your sand filtration system relies on. Designed for 40mm valve assemblies, its built to restore precise control over your filtration cycle and extend the life of your filter setup by replacing worn or noisy rotors. Compatibility you can trust: fits 40mm valve systems and supports Waterco MPV filters across S500S700 and T400T600 series. Its a direct substitute for