Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S

$39.99
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Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S
Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S
Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S
Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S
Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S
Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S

Hot Tub Things® 880 Inner Filter (2024+) – Replaces Sundance® 6473‑453S

$39.99
Description
The Hot Tub Things® 880 Inner Filter (HTT6473‑453S) is a disposable replacement for Sundance® 6473‑453S used in 880 Series spas from mid‑January 2024 onward. Designed for use inside the outer filter, it traps ultra-fine particles for crystal-clear water.

Product Description

  • Designed to replace Sundance® part #6473‑453S for 880 Series spas manufactured mid-January 2024 and later

  • Acts as the inner disposable filter in the MicroClean® Ultra dual-stage filtration system

  • Made with ultra-fine filtration media to trap oils, lotions, and microscopic debris not caught by the outer filter

  • Disposable, single-use design—no rinsing or cleaning required

  • Provides superior water clarity and helps maintain optimal performance of spa components

  • Easily installs inside the reusable outer filter (sold separately)

  • Recommended replacement interval: every 3–4 months or sooner with heavy usage

  • Ensures clean, fresh spa water while reducing chemical demand and maintenance time

Product Specification

Brand Hot Tub Things
SKU HTT-6473-453S
Dimensions 6.25" × 4.75" × 4.75"
Barcode 850511004963
Weight 0.85 lb

Product Compatibility

  • 2024 - 2025 Sundance® Spas Aspen
  • 2024 - 2025 Sundance® Spas Optima
  • 2024 - 2025 Sundance® Spas Cameo
  • 2024 - 2025 Sundance® Spas Altamar
  • 2024 - 2025 Sundance® Spas Vistamar
  • 2024 - 2025 Sundance® Spas Marin
  • 2024 - 2025 Sundance® Spas Capri

Filter Dimensions

Diameter 5.625"
Length 11.6875"
Hole Size 2.5"

FAQ

Q: What Sundance® spas does this filter fit?

A: It fits 880 Series models manufactured from mid-January 2024 onward with the updated MicroClean® Ultra system.

Q: Is this filter reusable?

A: No, the inner filter is single-use and should be replaced, not rinsed.

Q: Do I need to pair this with an outer filter?

A: Yes, it works in combination with the 880 outer filter (replaces part #6473‑452S).

Q: How often should I replace it?

A: Replace every 3–4 months, or more frequently with heavy spa use.

Q: Is this an official Sundance® filter?

A: No, this is a high-quality compatible replacement made by Hot Tub Things®.

Directions

Power off your hot tub before opening the filter compartment.

Remove the outer filter (if installed) to access the inner chamber.

Remove the used inner filter and discard.

Insert the new disposable inner filter into the center chamber.

Reinstall the outer filter around the inner filter and restore power.

Customer Reviews

Based on 158 reviews
55%
(87)
45%
(71)
0%
(0)
0%
(0)
0%
(0)
S
Skylar K.
Perfect fit

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

Q
Quinn J.
Works perfectly

I had no trouble replacing the old part. Great product and even better support.

Q
Quinn J.
Works perfectly

I had no trouble replacing the old part. Great product and even better support.

A
Avery B.
Highly recommend

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

Q
Quinn J.
Five stars

Excellent experience from ordering to installation. I’ll definitely be back.

123

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