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Also confirm your tank diameter is 26 inches before ordering
Finned aluminum enclosure
commercial quality
Inner side rails include integrated side barriers to prevent entry behind the ladder
6 to prevent copper precipitation and ensure your chlorine levels are 1-3ppm—high chlorine can cause copper-based algaecides to stain pool surfaces
Unicel C-4440 Replacement Filter Cartridge | 40 Sq. Ft. | 16 3/4" | Sundance Spas Safety Signage Also confirm your tank diameterThe Unicel C 4440 is a 4000 Series 40 sq. ft. replacement filter cartridge built for Sundance Spas filtration systems. Featuring 158 precision folded pleats of 4 oz. Reemay 2040 polyester media across a 16 3 4" profile, it delivers thorough debris capture and sustained water clarity between cleanings. The castle style closed top cap and open bottom seat securely on your spa's standpipe no guesswork, no adapters. IMPORTANT: Some Sundance Spa Models Use
