Unicel C-4440 Replacement Filter Cartridge | 40 Sq. Ft. | 16 3/4" | Sundance Spas FS2003 Test for available bromine and

Test for available bromine and repeat sanitization dose at 15 to 20 minute intervals until a residual of 3-6 ppm is established

Gli’s splash series boasts our versatile

NSF-50 WG10712SFVE Compatibility is based on Hayward parts documentation and available OEM records

Enhances any sanitizer program

Unicel C-4440 Replacement Filter Cartridge | 40 Sq. Ft. | 16 3/4" | Sundance Spas FS2003 Test for available bromine andThe 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