Sundance® MicroClean Ultra II Lite Filter (Outer Only) (2026+) 6473-608S
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Key Features & Benefits
Genuine OEM Quality
Factory-direct replacement ensures perfect compatibility with Sundance Spas
Superior Filtration
Engineered for seamless compatibility with original mounting points for secure placement.Advanced pleated design captures particles as small as 10-15 microns
Optimal Water Flow
Engineered to maintain proper circulation and prevent pump strain
Easy Installation
Drop-in replacement takes minutes to install—no tools required
Extended Filter Life
Durable construction withstands repeated cleaning cycles
Cost-Effective Maintenance
Extends time between water changes and reduces chemical usage
Product Overview
Keep your Sundance 780 Series hot tub filtration system running properly with the genuine Sundance® Spas 6473-608S MicroClean Lower Filter Cartridge. This replacement lower/outer cartridge is designed for select 2026 and newer Sundance 780 Series spas using the updated two-piece MicroClean filtration system.
The 6473-608S is the lower/outer filter cartridge only. It is used together with the matching 6473-453S inner cartridge. For customers needing the full two-piece filter assembly, use complete assembly part number 6542-197S.
Frequently Asked Questions
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Replace your 6473-608S filter every 12-18 months, or sooner if you notice reduced water flow or persistent cloudiness despite proper chemical balance.
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Yes, the 6473-608S is an authentic OEM re
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This filter fits multiple Sundance spa models. Verify compatibility by checking your owner's manual or contacting Hot Tub Things with your specific model number.
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Replace your filter when you notice decreased water flow, persistent cloudiness, visible damage to pleats, or when cleaning no longer restores performance—typically after 12-18 months.
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Yes, regular cleaning extends filter life, but filters must eventually be replaced as embedded oils and minerals cannot be fully removed through cleaning alone.
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