Noryl flange valve clamp replacement. Fits hayward pro series sand filter.
Fits Hayward Pro-Series sand filter models S144T, S164T, S166T, S180T, S210T, S210S, S220T, S220T2, S230T, S244T, S244T2, S244S, S270T, S310T, and S360T
To replace GMX600N simply take off old noryl flange valve clamp and relpace with new.
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