Sundance® Spa Filter Cartridge – 75 Sq Ft Replacement (Universal Fit) – part #6540-507S

Turn off the spa pump and power before removing the old filter.

Unscrew or lift out the existing filter cartridge from the filter housing.

Rinse the new filter with clean water to remove any loose fibers or debris.

Insert the new filter into the housing, ensuring proper alignment and secure fit.

Restore power and run the pump to check for normal water flow.

Rinse the filter weekly and replace it every 12–18 months for best performance.

Q: What Sundance spa models use filter 6540-507S?

A: This filter is compatible with select Sundance spa models; check your owner's manual or existing filter label for confirmation.

Q: How often should I replace this filter cartridge?

A: Typically every 12–18 months, depending on spa usage and water quality.

Q: Can this filter be cleaned and reused?

A: Yes, rinse with clean water weekly and occasionally use a spa filter cleaner to extend its lifespan.

Q: Is this an OEM Sundance filter or aftermarket replacement?

A: This is a genuine Sundance OEM filter cartridge, designed for precise fit and performance.

Q: What is the filtration area of this cartridge?

A: It offers 75 square feet of effective water filtration surface.