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Replacement Filter Cartridges
Replacement cartridge sets for the Waterco® Fulflo tri-cartridge filters (C400 / TC400 and C500 / TC500). Each Fulflo housing runs three cartridges — our 3-packs replace the full set.
No cartridges match these filters.
XLS-660 • 3-Pack
In stockReplaces: Waterco 622820
XLS-659 • 3-Pack
In stockReplaces: Waterco 622830
Excel Filters makes replacement cartridges for Waterco® Fulflo tri-cartridge filters — the C400 / TC400 and C500 / TC500. Each Fulflo housing takes three cartridges, so our 3-packs replace the complete set at factory-direct pricing.
Fulflo tri-cartridge tanks run three cartridges. Replace all three together for even flow.
| Housing model | Waterco element | Pleatco | Filbur | Excel replacement | Qty per housing |
|---|---|---|---|---|---|
| Fulflo C400 / TC400 | 622820 | — | — | XLS-660 3-pack | 3 |
| Fulflo C500 / TC500 | 622830 | — | — | XLS-659 3-pack | 3 |
Three identical cartridges per housing. Our Fulflo replacements are sold as 3-packs so one pack replaces the complete set.
The model is on the tank — C400/TC400 or C500/TC500. Match it in the chart above, or measure a cartridge if the label is gone.
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 Waterco.
