Sundance® MicroClean® Filter Set – Inner + Outer Ultra Cartridge Combo (2009–2025) – part #6541‑397S

Power off spa and open the filter compartment.

Remove existing inner and outer cartridges.

Insert the disposable inner filter (6473‑164S) first.

Slide the pleated outer filter (6473‑165S) into position around the inner.

Reinstall cover and restore power.

If dirty, rinse the outer filter; replace the inner filter every 3–4 months.

Q: Which spa models is this filter set compatible with?

A: Compatible with Sundance® 880 Series (2009–2025) and 980 Series (2015–2025), including Altamar®, Aspen®, Capri®, Claremont™, Kingston™, Lisbon™, Majesta®, Marin®, Maxxus®, and Optima®.

Q: Can the outer filter be rinsed and reused?

A: Yes—the pleated outer cartridge is washable to prolong the life of the disposable inner filter.

Q: How long should these filters last?

A: Inner filter is replaceable every 3–4 months; outer filter can be reused for several cycles until it degrades.