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South Seas Filter

Match your South Seas hot tub filter by the cartridge in your spa today — size, thread, and top style — not by spa age.

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✅ Not Sure It Fits? Verify Before Ordering

Hot tub part compatibility can vary by spa brand, model, year, serial number, control system, and part revision.

To help us identify the correct replacement part, please send clear photos of:

  • Your existing part label or sticker
  • Your spa serial number sticker
  • The equipment area or installation location (if accessible)

EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.

Confirm Your South Seas Spas Model

519P | 532L | 533DL | 627M | 729B | 729L | 737BE | 737LE | 743D | 748B | 748L | 840BE | 840LE | 850B | 850L | 853DL | 860B | 860L | 965L

How do I find the right filter cartridge for my South Seas spa?

Match the filter diameter, length, and thread type to your current cartridge, or use the fitment form above. South Seas spas use the EZ04-style cartridge — compare your current filter’s label to confirm before ordering.

How often should I replace my South Seas hot tub filter?

Replace your South Seas spa filter every 12-24 months. Rinse it monthly and perform a chemical deep-clean every 3 months to maximize filter life, water clarity, and equipment longevity.

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