Check Compatibility Before You Buy
Hot Tub Things® Disposable Filter – Compatible with Sundance® 6540-502S
The HTT-6540-502S is a premium disposable filter cartridge designed to replace Sundance® part number 6540-502S. Unlike traditional filters that require frequent cleaning and eventual replacement, this disposable design offers a convenient, time-saving solution. Simply install, enjoy months of pristine filtration, and replace when needed—no scrubbing, no soaking, no hassle.
Key Specifications:
- Part Number: HTT-6540-502S (replaces Sundance® 6540-502S)
- Position: Upper cartridge
- Compatibility: Sundance® Spas (2002–2025 models)
- Filter Type: Disposable MicroClean® technology
- Material: High-grade pleated polyester media
- Lifespan: Typically 3–6 months depending on usage
Frequently Asked Questions
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Replace every 3–6 months depending on usage and water chemistry. Watch for reduced flow or cloudy water as signs it's time.
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This filter fits Sundance® spas (2002–2025) using the 6540-502S upper cartridge. Verify your model before ordering.
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You can rinse it to extend life slightly, but it's designed for replacement, not long-term reuse.
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MicroClean® features tighter pleats and higher-grade media for superior filtration of particles as small as 10–15 microns.
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Turn off your spa, remove the filter housing cover, pull out the old filter, insert the new one, and replace the cover. Consult your owner's manual for model-specific instructions.
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Yes, all our filters come with a satisfaction guarantee. Contact us if you experience any issues.
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