4 Pack of replacement Leisure Bay Spas filters (80 sq ft drop-in style) — Darlly
Fits select Leisure Bay Spas models that use the 80 sq ft drop-in style cartridge. Leisure Bay Spas used more than one filter size over the years, so match the diameter, length, and top and bottom style below to the filter you are replacing — or send us a photo and we will confirm before you order.
This same cartridge is also used in select QCA Spas, Rippling Water Spas hot tubs.
Not sure which filter brand is right for you? Compare hot tub filter brands here.
Did you know the number one reason for hot tub freeze damage is a dirty filter? Dirty filters also cause additional stress on the pump/motor and leads to premature failure.
Proper Filter Care System:
- Have 2 sets of filters
- Install clean filter
- Rinse dirty filter with high pressure nozzle
- Verify no debris left between pleats, before storing on shelf to dry
- Once a month soak filters in a filter cleaner solution
Filter Specs (EZ06):
- Diameter – 5-5/16″
- Length – 17-13/16″
- Top: Open
- Bottom: Open
- SQFT: 80
What’s in the box: four filter cartridges.
✅ 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.
It fits the Leisure Bay Spas models that use a 80 sq ft drop-in style cartridge measuring 5-5/16″ in diameter and 17-13/16″ long. Measure your old filter end to end and across the end cap — if the numbers match, it fits. Still unsure? Use the fitment form above and send a photo of your filter.
Measure the diameter across the end cap and the total length from end to end, then check the top (open, closed, handle) and the bottom (open, threaded, slip fit). This cartridge is 5-5/16″ x 17-13/16″, top: open, bottom: open.
This cartridge cross-references to: Darlly 50801, Pleatco PLBS100, Filbur FC-2972, Unicel C-5397, 17-175-2203, 817-0016, 303434, R173601, 19930, P-5397.
This is a Darlly replacement cartridge. Compare it with the other filter brands we carry on our filter brand comparison page.
Rinse it every 2–4 weeks, deep-clean it monthly with filter cleaner, and replace it every 12–24 months or sooner if the pleats are torn, flattened, or the end caps are cracked. Keeping two sets and rotating them makes each set last longer.
A second set means you always have a clean, dry filter ready to drop in while the other set soaks. Multi-packs also cost less per filter than buying singles.
17-777-2203 PA-1597 Darlly 50801 Pleatco PLBS100 Filbur FC-2972 Unicel C-5397 17-175-2203 817-0016 303434 R173601 19930 P-5397
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