Hot Tub Things® Outer Filter – Sundance® 125 Sq Ft Cartridge (2003–2024 Spas) – Part #HTT‑6540‑488S

$67.95

Hot Tub Things® Outer Filter – Sundance® 125 Sq Ft Cartridge (2003–2024 Spas) – Part #HTT‑6540‑488S

$67.95
Description
The Hot Tub Things® Outer Filter (Part #HTT‑6540‑488S) is a durable, high-capacity outer cartridge designed for Sundance® MicroClean® filtration systems (2003–2024). Featuring OEM-matching build and easy, tool-free installation, it delivers reliable filtration with low maintenance. Washable pleated media captures fine particles while supporting all sanitizers. Just rinse monthly and keep your spa water sparkling with minimal effort.

Product Description

    • High-capacity outer filter cartridge, compatible with Sundance 6540‑488S (125 sq ft) and cross-references like Unicel C‑8326, Filbur FC‑2780, Pleatco PSD125‑2000

    • Designed for Sundance spa models (2003–2024), including Bahia, Capri, Cameo, Majesta, Marin, Maxxus, Optima, Dover, Montclair, Chelsee, etc.

    • Made of sturdy pleated spunbond polyester media that captures particles down to ~10 microns without shedding

    • Dimensions matching OEM: 8.5" diameter × 19" length, open beveled bottom hole ~2.5", closed-step top

    • Washable and reusable—rinse monthly; durable enough for a full season of spa use

    • Compatible with all sanitizers—chlorine, bromine, UV, and mineral systems

    • Simple tool-free installation: pull old filter and insert HTT‑6540‑488S for immediate upgrade

      Product Specification

      Brand Hot Tub Things
      SKU HTT-6540-488S
      Dimensions 8.5 x 19.4 x 8.5 in
      Barcode 850511004895
      Weight 5.05 lb

      Product Compatibility

      • 2017 - 2020 Sundance® Spas Hanover
      • 2014 - 2025 Sundance® Spas Montclair
      • 2008 - 2015 Sundance® Spas Dover
      • 2007 - 2007 Sundance® Spas Solo
      • 2007 - 2007 Sundance® Spas Metro
      • 2017 - 2025 Sundance® Spas Bristol
      • 2002 - 2007 Sundance® Spas CaprioST
      • 2002 - 2003 Sundance® Spas Tango
      • 2007 - 2012 Sundance® Spas Camden
      • 2002 - 2007 Sundance® Spas Caprio
      • 2004 - 2007 Sundance® Spas Metro
      • 2006 - 2006 Sundance® Spas Palermo
      • 2006 - 2006 Sundance® Spas Cayman
      • 2006 - 2006 Sundance® Spas Bahia
      • 2007 - 2016 Sundance® Spas Certa
      • 2007 - 2025 Sundance® Spas Chelsee
      • 2007 - 2025 Sundance® Spas Hamilton
      • 2002 - 2023 Sundance® Spas Capri
      • 2002 - 2023 Sundance® Spas Marin
      • 2002 - 2023 Sundance® Spas Altamar
      • 2002 - 2015 Sundance® Spas Majesta
      • 2002 - 2023 Sundance® Spas Cameo
      • 2002 - 2023 Sundance® Spas Optima
      • 2002 - 2023 Sundance® Spas Maxxus
      • 2017 - 2025 Sundance® Spas Claremont
      • 2016 - 2025 Sundance® Spas Kingston
      • 2011 - 2018 Sundance® Spas Constance
      • 2011 - 2018 Sundance® Spas Victoria

      Filter Dimensions

      Diameter 8.5"
      Length 19"
      Hole Size 2.5"
      Sq. Ft 125
      Replacement(s) 6540-501 & 6540-502, 6540-507, 6541-397S

      FAQ

      Q: What spa models are compatible?
      A: Fits Sundance® models from 2003–2024, including the 780, 850, 880, and 980 Series like the Capri, Marin, Optima, Maxxus, Claremont, and Chelsee.

      Q: Can this filter be reused?
      A: Yes—this outer cartridge is washable and reusable; just rinse monthly.

      Q: Does it work with inner MicroClean® filters?
      A: Absolutely—it pairs with inner filters like 6540-502 for full dual-stage filtration.

      Directions

      1. Turn off power and remove the spa cover.
      2. Pull out the existing outer filter cartridge.
      3. Rinse or remove debris from filter housing.
      4. Insert HTT-6540-488S into the filter chamber.
      5. Secure cover and restore spa power.
      6. Rinse every 4–6 weeks and replace annually or as needed.

      Customer Reviews

      Based on 157 reviews
      47%
      (74)
      53%
      (83)
      0%
      (0)
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      D
      Dani M.
      Good value

      Exactly what I needed. It works better than the original part that came with the spa.

      S
      Skylar K.
      Highly recommend

      High quality and simple to install. This is the kind of reliability I expect.

      S
      Sydney T.
      Just what I needed

      Really impressed by how fast it arrived. Works just like it should.

      L
      Leslie W.
      Will buy again

      It’s been a few weeks and everything still runs smoothly. Great value.

      A
      Avery B.
      Five stars

      Can’t believe I didn’t replace this sooner. Total game-changer for my spa.

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