For Sundance MicroClean I - Disposable Section
50 sq. ft. , 8 1/2" D, 5" H, 4 5/8" hole
This replacement Filbur MicroClean cartridge provides maximum filtration for crystal-clear spa water.
For use in Sundance Spa Models (02'-04) 850 series, all ('05) 850 & all ('06) 780 Spas,
Requires the SUN 6540-501 75 sq. ft. Filter and SUN 6540-503 Adapter to be a complete system.