Unicel C-4317 Replacement Filter Cartridge for Intex PureSpa Type S1 | 5 Sq. Ft. | 2 15/16" Leaf Nets Back has 1-1/2-inch female threads

Back has 1-1/2-inch female threads for use with a hose fitting

The Unicel C-7489 is a 7000 Series (7" diameter) 112 sq

CV-600 Enzyme Water Cleaner is a unique

45" exterior

Alkalinity

Unicel C-4317 Replacement Filter Cartridge for Intex PureSpa Type S1 | 5 Sq. Ft. | 2 15/16" Leaf Nets Back has 1-1/2-inch female threadsThe Unicel C 4317 is a compact 4000 Series replacement filter cartridge engineered for Intex PureSpa inflatable hot tub and spa systems. With 120 sharp, uniform pleats of 3 oz. Reemay 2033 polyester media packed into a 4 1 4" diameter form factor, it delivers 5 sq. ft. of filtration surface area maximizing water clarity in portable spa applications where every square foot counts. Specifications Filter Area 5 sq. ft. Length 2 15 16" Outer Diameter 4 1