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Replacement Filter Cartridges
Find cartridges for Waterway Crystal Water, Clearwater II, ProClean and listed spa housings. Choose your housing below, then confirm the cartridge number, dimensions and end caps. Crystal Water uses a four-cartridge set; spa listings can include spare or bulk packs, so check the pack quantity against the number installed in your housing.
Match your Waterway filter housing to the right replacement cartridge.
No cartridges match these filters.
XLS-718 • 4-Pack
In stockReplaces: Waterway 817-0106, Pleatco PCC105, Unicel C-7471, Filbur FC-1977
XLS-706 • 4-Pack
In stockReplaces: Waterway 817-0143, Pleatco PCC130, Unicel C-7472, Filbur FC-1978
XLS-720 • 4-Pack
Low stockReplaces: Waterway 817-0081, Pleatco PCC80, Unicel C-7470, Filbur FC-1976
XLS-802 • 1-Pack
In stockReplaces: Waterway 817-0125N, Pleatco PA120, Unicel C-8412, Filbur FC-1302
XLS-803 • 1-Pack
Low stockReplaces: Waterway 817-0200P, Pleatco PA175, Unicel C-8420, Filbur FC-1263
XLS-800 • 1-Pack
In stockReplaces: Waterway 817-0100P, Pleatco ULTRA-B6, Unicel C-8409, Filbur FC-1292
XLS-822 • 1-Pack
Low stockReplaces: Waterway 817-0150N, Pleatco PWWCT150, Unicel C-8414, Filbur FC-1287
XLS-801 • 1-Pack
In stockReplaces: Waterway 817-0075P, Pleatco PA76, Unicel C-8411, Filbur FC-1255
XLS-847 • 1-Pack
In stockReplaces: Waterway 817-0200N, Pleatco PWWCT200, Unicel C-8419, Filbur FC-1288
XLS-511 • 1-Pack
Low stockReplaces: Waterway 817-0014, Pleatco PLBS50, Unicel C-5345, Filbur FC-2970
XLS-435 • 2-Pack
In stockReplaces: Waterway 817-0010, Pleatco PWW10, Unicel C-4310, Filbur FC-3077
XLS-418 • 1-Pack
In stockReplaces: Waterway 817-3501, Pleatco PRB35-IN, Unicel C-4335, Filbur FC-2385
XLS-404 • 2-Pack
In stockReplaces: Waterway 817-3510, Pleatco PRB17.5SF-PAIR, Unicel C-4401, Filbur FC-2386
XLS-512 • 15-Pack
Low stockReplaces: Waterway 817-0015, Pleatco PLBS75, Unicel C-5374, Filbur FC-2971
Shop replacement filter cartridges for Waterway® pool and spa housings, including Crystal Water, Clearwater II, ProClean and listed spa filter systems. Excel Filters replacement cartridges are engineered to match manufacturer specifications for proper fit, filtration performance, and dependable operation at a factory-direct value.
This collection covers listed Waterway Crystal Water, Clearwater II, ProClean, Waters Edge, TWM and top-load / in-line applications. For Crystal Water, 325 uses XLS-720, 425 uses XLS-718, and 525 uses XLS-706, each supplied as a four-cartridge set.
Choose the exact housing or cartridge-number match above. For spa housings, also confirm the end caps and dimensions; a bulk pack can contain more cartridges than one housing needs.
Yes. Excel Filters manufactures replacement cartridges for many Waterway® spa and hot tub filter systems, including popular top-load spa housings.
For the best fit, confirm your existing cartridge part number, housing model, or cartridge dimensions before ordering. You can also visit our Spa & Hot Tub Filter Cartridge collection for additional compatible spa replacement options.
Excel Filters manufactures replacement cartridges in Austin, Texas using premium filtration media and engineered components designed for reliable fit and performance.
By selling factory-direct, Excel Filters provides a high-quality replacement option without the additional distributor and retail markups commonly associated with manufacturer-branded cartridges.
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