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Aquatic Spas Filters

Most Aquatic swim spas run two 45 sq ft coarse-thread cartridges (EZ11) — order the 2 pack and replace both. Aquatic models with a Teleweir skimmer take the EZ05 cartridge instead. Both are stocked here in Hurricane, made in the USA.

Find your Aquatic swim spa filter in 10 seconds

Both cartridges ship from our Minnesota stock the same or next business day. Not sure which well you have? Send a photo through the form below.

Shop: All Hot Tub Filters | Aquatic Spa Parts | Ego3 Reusable Filters

Resources: Compare Filter Brands | Water Care

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✅ Not Sure It Fits? Verify Before Ordering

Hot tub filter fitment varies by spa brand, model, year, filter size, thread style and top/bottom style.

To confirm the correct replacement, send clear photos of:

  • The label or end cap of your current filter
  • Your spa serial number sticker
  • The filter well with the filter removed (so we can see the fitting)

EZ Hot Tub Parts confirms fitment before you order, so you do not pay return freight on a wrong filter.

Aquatic Spas filter buying guide

45 sq ft coarse thread (EZ11). 6″ across, 8-1/4″ long, handle top, 1-1/2″ coarse SAE thread (Pleatco PWW50P3, Unicel 6CH-940, Filbur FC-0359). Aquatic swim spas generally run two, so the 2 pack is the normal order; singles and ProAqua are here too.

Teleweir 50 sq ft (EZ05). 5″ across, 13-3/16″ long, 1-1/2″ female SAE thread recessed inside the bottom (Pleatco PWW50L, Unicel 4CH-949) for Aquatic models with the skimmer-weir well. Shop EZ05.

Swim spas move a lot of water: rinse cartridges every 2 weeks, soak monthly, and replace the set about once a year.

Not sure which filter brand is right for you? Compare Hurricane, OEM Factory Direct, Pleatco, ProAqua, Darlly and Ego3.

Keep your filters working longer: High Pressure Filter Nozzle | Filter Cleaner | Water Care — and every order over $99 ships free, so a spare set plus cleaner usually rides along at no extra cost.

Confirm your Aquatic filter: EZ11 2 Pack (Hurricane) | EZ11 Single (Hurricane) | EZ11 (ProAqua) | Teleweir EZ05 (Hurricane)

Aquatic Spas filter questions

How many filters does an Aquatic swim spa use?

Most run two 45 sq ft coarse-thread cartridges (EZ11) — replace both at once, which is why the 2 pack is the standard order. Models with a Teleweir skimmer use the EZ05 instead.

Which Aquatic spa filter do I need?

A cartridge that threads in with a male 1-1/2″ thread and measures 6″ across is the EZ11. A cartridge with the thread recessed inside its bottom and 5″ across is the Teleweir EZ05.

How often should swim spa filters be replaced?

About once a year, with a rinse every 2 weeks and a monthly soak in filter cleaner — swim spas push far more water through the cartridges than a hot tub does.

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