The Hayward SX310N heavy duty flange clamp is a replacement part for the Hayward pro series sand filters models S310s.
It is also compatible with Hayward Pro Series Plus sand filter models:
To replace GMX600N simply take off old noryl flange valve clamp and replace with new.
Our Showrooms will be closed December 20th, 2025 to February 17th, 2026.
Our online store and service department will remain open.
| Service | We are still open during the showroom shutdown.
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| Online Store:
| Our online store are still open during the showroom shutdown.
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