Hot Tub Things® Inner Filter – Sundance® 880/850 Series (2009–2025) – Part #HTT‑6473‑164S

• 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.

• 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.

• Fully fits original part #6473‑164S—aka AK‑6473164 or SD‑01293—in Dual‑Stage MicroClean® Ultra setups; outer filter sold separately.

• Dimensions are approximately 18.74″ length × 5.63″ diameter, with open 2.75″ top and bottom holes for precise installation.

• Non-washable; replace every 3–6 months based on usage to maintain optimal water clarity and avoid strain on spa components.

• Quick, tool-free installation—remove existing inner filter, insert fresh one, and replace the compatible outer filter for full performance restoration.

Brand : Hot Tub Things™

Dimensions: 4.8 x 18.5 x 4.3 in

Barcode: 850511004734

• 2002-2004, 2005-2008, 2009-2023 Sundance Maxxus | 880 Series
• 2002-2005, 2006-2008 2009-2023 Sundance Optima | 880 Series
• 2002-2004, 2005-2008, 2009-2023 Sundance Cameo | 880 Series
• 2002-2005, 2006-2008, 2009-2015 Sundance Majesta | 880 Series
• 2002-2005, 2006-2008, 2009-2023 Sundance Altamar | 880 Series
• 2002-2005, 2006-2008, 2009-2023 Sundance Marin | 880 Series
• 2002-2005, 2006-2008, 2009-2023 Sundance Capri | 880 Series
• 2017-2025 Sundance Kingston | 980 Series
• 2017-2025 Sundance Claremont | 980 Series