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Replacement Filter Cartridges
Replacement cartridges for Waterway® top-load / low-profile spa filter housings (and the matching Leisure Bay and Waters Edge tanks). Match the PLBS part number or the size on your current cartridge in the chart below the products.
No cartridges match these filters.
XLS-511 • 1-Pack
Low stockReplaces: Waterway 817-0014, Pleatco PLBS50, Unicel C-5345, Filbur FC-2970
XLS-512 • 15-Pack
Low stockReplaces: Waterway 817-0015, Pleatco PLBS75, Unicel C-5374, Filbur FC-2971
Excel Filters makes replacement cartridges for Waterway® top-load / low-profile spa filters — the 45 sq ft (PLBS50) and 75 sq ft (PLBS75) elements, which also fit the matching Leisure Bay S2/G2 top-load housings. Match the PLBS number on your cartridge for OEM-spec fit.
Match the Unicel C-53-series number or the PLBS part number on the cartridge end cap. These single-element top-load cartridges also fit the matching Leisure Bay S2/G2 spa housings.
Read the PLBS number or the Unicel C-53-series number on the cartridge end cap — PLBS50 / C-5345 is the 45 sq ft element, replaced by the 50 sq ft XLS-511, and PLBS75 / C-5374 is the 75 sq ft element (XLS-512) — or measure the cartridge length.
Yes. The XLS-511 and XLS-512 are both listed for Leisure Bay S2/G2 top-load spa filters; match the PLBS or Unicel number on your old cartridge to pick the size. For a Waterway/Waters Edge 35 sq ft skim filter, see the XLS-404.
No. Excel Filters cartridges are aftermarket replacements manufactured in the USA to OEM dimensions and media area. They are not affiliated with or endorsed by Waterway.
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