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Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S
Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S
Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S
Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S
Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S
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Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S

Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S

Type: Filter

SKU: HTT-6473-165S

Barcode: 850511004758

$60.95
$60.95
Shipping calculated at checkout.

The Hot Tub Things® Outer Filter – Part #HTT‑6473‑165S is a high-performance replacement for the Sundance® MicroClean® Ultra outer cartridge, compatible with 850 and 880 Series spas manufactured from 2005 through 2023. Built with heavy-duty spunbond polyester media, it traps debris, prolongs inner filter life, and is easy to rinse clean for extended use. With dimensions that match the original (19.8″ × 8.42″), it delivers full OEM efficiency at a more affordable price. Replace every 4–6 months with regular rinsing for optimal clarity and performance.

Frequently Bought Together
Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S

Hot Tub Things® Outer Filter – Compatible with Sundance® 6473‑165S

$60.95
$60.95

Transform your spa experience with crystal-clear water and effortless maintenance. The Hot Tub Things® Outer Filter (Part #HTT-6473-165S) is precision-engineered for Sundance® 880 and 850 Series hot tubs manufactured between 2005 and 2023, delivering superior filtration performance you can trust.

What Is the Hot Tub Things® Outer Filter for Sundance 880/850 Series?

This premium replacement outer filter is specifically designed to fit Sundance® 880 and 850 Series spas. As a critical component of your hot tub's filtration system, it captures debris, oils, and contaminants while maintaining optimal water flow. Compatible with models spanning nearly two decades (2005–2023), this filter ensures your Sundance spa continues operating at peak performance.

Key Features & Benefits

Superior Filtration Technology

Engineered with high-quality pleated media that captures particles as small as 10-15 microns, this outer filter keeps your spa water sparkling clean while protecting your pump and heating system from debris damage.

Perfect Fit Guarantee

Manufactured to exact OEM specifications for Sundance 880/850 Series spas. No modifications required—simply remove your old filter and install this direct replacement for immediate results.

Extended Filter Life

Durable construction withstands harsh spa chemicals and high temperatures, providing reliable filtration for 12-18 months with proper maintenance. Regular cleaning extends filter life and maintains water quality.

Easy Maintenance

The pleated design allows for thorough cleaning with a standard garden hose. For deep cleaning, use Hot Tub Things® Filter Cleaner to remove oils and restore filtration efficiency.

Cost-Effective Performance

Genuine quality at a competitive price. Investing in proper filtration reduces chemical usage, protects equipment, and extends the life of your Sundance spa.

Frequently Asked Questions

  • Works with Sundance® 850 (2005–2023) and 880 (2009–2023) Series, including major models like Maxxus, Capri, Cameo, Altamar, Marin, Claremont, and Kingston.
  • No—the MicroClean® Ultra system requires both the outer (6473-165S) and inner (6473-164S) filters to maintain optimal filtration.
  • Yes—just rinse monthly. Replacement is recommended every 4–6 months depending on spa use.

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Premium products at prices that make sense and reasonable.

Authorized Reseller

100% genuine, factory-approved OEM — never aftermarket knockoffs.

Satisfaction Guaranteed

We stand behind every product with 30 days to return.