Product Description
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Provides a direct replacement for the OEM Sundance® MicroClean® Ultra inner filter—densely spun-bound polyester microfiber media captures ultra-fine particles and preserves spa clarity.
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Compatible with Sundance® 880 Series (2009–2023) and 850 Series (2005–2023), including Altamar, Capri, Cameo, Majesta, Marin, Maxxus, Optima, Aspen, Claremont, and Lisbon models.
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Fully fits original part #6473‑164S—aka AK‑6473164 or SD‑01293—in Dual‑Stage MicroClean® Ultra setups; outer filter sold separately.
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Dimensions are approximately 18.74″ length × 5.63″ diameter, with open 2.75″ top and bottom holes for precise installation.
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Non-washable; replace every 3–6 months based on usage to maintain optimal water clarity and avoid strain on spa components.
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Quick, tool-free installation—remove existing inner filter, insert fresh one, and replace the compatible outer filter for full performance restoration.
Product Specification
| Brand | Hot Tub Things |
|---|---|
| SKU | HTT-6473-164S |
| Dimensions | 4.8 x 18.5 x 4.3 in |
| Barcode | 850511004734 |
| Weight | 0.46 lb |
Product Compatibility
- 2002 - 2023 Sundance® Spas Maxxus
- 2002 - 2023 Sundance® Spas Optima
- 2002 - 2023 Sundance® Spas Cameo
- 2002 - 2015 Sundance® Spas Majesta
- 2002 - 2023 Sundance® Spas Altamar
- 2002 - 2023 Sundance® Spas Marin
- 2002 - 2023 Sundance® Spas Capri
- 2016 - 2025 Sundance® Spas Kingston
- 2017 - 2025 Sundance® Spas Claremont
Filter Dimensions
| Diameter | 5.63" |
|---|---|
| Length | 18.74" |
| Hole Size | 2.75 |
| Sq. Ft | NA |
| Replacement(s) | FC-2769, AK-6473164, SD-01293, UCF-164 |