The complete Island Spas Ego3 conversion kit: 2 pre-filled Ego3 cartridges (one per filter well) plus 2 refills — your first full replacement cycle is already in the box, and bundling the refills now saves you a future shipping charge.
Guaranteed to fit Island Spa and Island Spa Elite Models (2002-2024, and all 2-filter 2025 models): Bimini, Isla Margarita, Grand Cayman, Grand Bahama, Antigua, Captiva, Nevis, Santa Cruz, and St. Kitts — also fits Resort Spas.
Own a 2025+ redesigned Island Spa with a single tall filter? Your spa uses the Island Spas Tall EZ30 filter instead of this one.
Ego3 filter cartridges come pre-filled with filter media. Once converted, you never buy filters again — when the media is spent, pop the canister open, drop in a refill, and you’re done.
More info on Ego3 Filters here: Ego3 Filters – The New Standard In Hot Tub Filtration
Not sure which filter brand is right for you? Compare hot tub filter brands here.
Filter Specs:
- Diameter: 6-1/8″
- Height 8-3/4″
- Bottom – 2″ fine thread
Looking for more parts, filters, or help identifying the right replacement? Visit our full Island Spas Parts & Owner Resource page to browse parts by category, model, and system configuration.
Browse Island Spas Parts & Owner Resource Page
✅ Not Sure It Fits? Verify Before Ordering
Island Spas parts vary by model, model year, trim and generation. Spas built during the 2025/2026 changeover may be current-generation or “Classic” carryover, so the model year alone does not settle it — match your spa pack label.
To help us identify the correct replacement, please send clear photos of:
- Your existing part, including any label
- Your spa serial number sticker
- Your spa pack / control system label
EZ Hot Tub Parts can help confirm fitment before you order and help reduce costly returns.
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